1
United 1st Series
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2
United Air Lines 1st Series
All cards are airline issues.
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3
1st Series 100 Columbia River - RPPC
Seven lines of text on the front with the RPPC version.
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4
1st Series 100 Columbia River - RPPC
What we call Real Photo postcards this postcard maker printed on their cards "This is a Genuine Photograph."
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5
1st Series 100 Columbia River - Litho
The litho version of the Columbia River postcard with just one line of text on the front.
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6
1st Series 100 Columbia River - Litho
The litho version of the card has a different back with the map in two circles logo.
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7
1st Series 101 Mt. Shasta - RPPC
In this case the Real Photo version of the postcard has the same text on the front as the Litho version.
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8
1st Series 101 Mt. Shasta - RPPC
Keeps the "This is a Genuine Photograph" version of the back.
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9
1st Series 101 Mt. Shasta - Litho
The litho version has the same text on the front as the Real photo version.
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10
1st Series 101 Mt. Shasta - Litho
Keeps the litho back version with the map in two circles logo.
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11
1st Series 102 Orange Groves - Litho
This seems to be a little scarcer postcard. I do not have the Real Photo version if there is one.
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12
1st Series 102 Orange Groves - Litho
The card was mailed by a passenger in Chicago and has a clear postmark dated November 21, 1933.
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13
1st Series 110 Flying Across America - RPPC
A unique type of card with multiple small scenes of cities they service or fly over.
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14
1st Series 110 Flying Across America - RPPC
Plain back except for the No. 110. I have not seen any cards numbered between 102 and 110.
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15
1st Series No Number New York City - RPPC
First of three versions of this card. Possibly the first card in the series issued by United. The postmark of June 23, 1932 is the earliest I've seen.
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16
1st Series No Number New York City - RPPC
This early version has Genuine Photograph made by the Process Photo Studios, Chicago, ILL printed on the card.
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17
1st Series 200 New York City - RPPC
Usual numbered RPPC version of the postcard. Two lines of text on the front.
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18
1st Series 200 New York City - RPPC
Usual "This is a Real Photograph" back.
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19
1st Series 200 New York City - Litho
Litho version with 3 lines of text on the front.
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20
1st Series 200 New York City - Litho
This was mailed by a passenger and is postmarked November 23, 1933 at New York, N.Y.
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21
1st Series No Number Kansas City - Litho
This early version has no number and no reference to United Airlines on the card.
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22
1st Series No Number Kansas City - Litho
Published by the Process Photo Studio, Chicago, Ill.
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23
1st Series 201 Kansas City - Litho
The numbered version with seven lines of text on the front.
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24
1st Series 201 Kansas City - Litho
Common back with the map in two circles logo.
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25
1st Series 202 Dallas - RPPC
Real Photo version with five lines of text on the front.
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26
1st Series 202 Dallas - RPPC
Usual back with "This is a Genuine Photograph."
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27
1st Series 203 Salt Lake City - RPPC
Six lines of text on the front and the circled building labeled correctly.
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28
1st Series 203 Salt Lake City - RPPC
Unusal Real Photo back but without "This is a Genuine Photograph."
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29
1st Series 203 Salt Lake City - Litho
Error variety. Nine lines of text on the front but the circled buildings are labeled incorrectly.
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30
1st Series 203 Salt Lake City - Litho
Mailed by a passenger at Cleveland, Ohio with a postmark of May 2, 1935.
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31
1st Series 204 San Francisco - RPPC
Real Photo version with four lines of text on the front.
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32
1st Series 204 San Francisco - RPPC
Mailed by a passenger using an 8-cent Airmail stamp and postmarked at Cheyenne, Wyo. March 15, 1933.
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33
1st Series 204 San Francisco - Litho
Litho version with six lines of text on the front.
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34
1st Series 204 San Francisco - Litho
Clear postmark from San Francisco, Calif. dated March 13, 1934.
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35
1st Series 205 Los Angeles - RPPC
Real Photo version with five lines of text on the front.
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36
1st Series 205 Los Angeles - RPPC
Typical back with "This is a Genuine Photograph."
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37
1st Series 206 Cleveland - RPPC
Real Photo version with six lines of text on the front.
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38
1st Series 206 Cleveland - RPPC
Usual back with "This is a Genuine Photograph" down the center.
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39
1st Series 206 Cleveland - Litho
Litho version with seven lines of text on the front.
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40
1st Series 206 Cleveland - Litho
Postmarked at Cleveland, Ohio dated March 1, 1934.
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41
1st Series 300 Talking to Pilots - RPPC
First of the technology series with graphic printed as a Real Photo postcard.
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42
1st Series 300 Talking to Pilots - RPPC
Another card mailed using an 8-cent Airmail stamp and mailed from Salt Lake City, Utah with a November 30, 1932 postmark.
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43
1st Series 301 Dot-Dash Zone - RPPC
The Dot-Dash Zone for communicating with the pilots. The first of this card. They gave the litho version number 306!
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44
1st Series 301 Dot-Dash Zone - RPPC
Has the standard Real Photo back with "This is a Genuine Photograph."
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45
1st Series 302 Century of Travel - RPPC
1932 was the start of their 27-hour Coast-to-Coast service. All of the map cards in this early numbered series are hard to find.
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46
1st Series 302 Century of Travel - RPPC
Mailed by a passenger from Salt Lake City with an August 1, 1932 postmark.
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47
1st Series 303 Plane Crosses America - RPPC
Map showing night and day for crossing America in one business day. Another scarce map card.
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48
1st Series 303 Plane Crosses America - RPPC
Another typical Real Photo back. This one shows the airmail postage of 5-cents in the stamp box.
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49
1st Series 304 New Era in Travel - RPPC
Six images of six benefits of current air travel. This is a Real Photo version of the card but a has the same back as the Litho version!
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50
1st Series 304 New Era in Travel - RPPC
Back shared with the Litho version of the card. With a magnifying glass you can confirm the front was printed as a Real Photo postcard.
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51
1st Series 304 New Era in Travel - Litho
Litho version of six benefits of current air travel.
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52
1st Series 304 New Era in Travel - Litho
The usual back for the litho versions of the 1st series cards. Has the map in 2 circles logo.
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53
1st Series 305 Two-Way Voice Radiophone - Litho
Image shows operator using two-way voice radio phone. So Far I have not seen a Real Photo version of this card.
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54
1st Series 305 Two-Way Voice Radiophone - Litho
Postmarked at Chicago, Illinois on August 20, 1934.
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55
1st Series 306 Dot-Dash Zone - Litho
For some reason they gave the Litho version of this Dot-Dash Zone image a new number. The Real Photo version is number 301.
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56
1st Series 306 Dot-Dash Zone - Litho
The typical back for the Litho versions of the 1st Series cards with the map in 2 circles logo.
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57
1st Series 307 Century of Progress - RPPC
A year later now the Coast-to-Coast time is down to 20 hours. Another very scarce map card.
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58
1st Series 307 Century of Progress - RPPC
Like number 304 this is a Real Photo card with the Litho version back.
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59
1st Series 400 Passengers Enplaning - RPPC
Passengers enplaning on a Boeing Model 80A, NC228M. Both versions of this card are very scarce.
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60
1st Series 400 Passengers Enplaning - RPPC
Postmarked at Bryan, Texas on July 9, 1932. Mailed by a passenger.
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61
1st Series 400 Passengers Enplaning - Litho
Passengers enplaning for a coast-to-coast flight. This Litho version using this image is also very scarce.
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62
1st Series 400 Passengers Enplaning - Litho
New back for this Litho card. Says " This is a Genuine Vitaprint."
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63
1st Series 402 Speed with Comfort - RPPC
Stewardess offering a passenger a cigarette.
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64
1st Series 402 Speed with Comfort - RPPC
Another Real Photo postcard using the map in 2 circles logo.
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65
1st Series No Number At Your Service - Litho
Text mentions these "13 young women" as stewardesses. Other cards state a different number. All the cards are scarce.
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66
1st Series No Number At Your Service - Litho
Advertising back. Looks like it may have been issued from the Chicago office. I have not seen another example of this card.
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67
1st Series 403 At Your Service - RPPC
Real Photo version with text saying "50 young women as stewardesses." Another scarce postcard.
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68
1st Series 403 At Your Service - RPPC
Passenger states "This is the grandest trip I ever had." Postmarked at Cheyenne, Wyoming June 16, 1934.
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69
1st Series 403 At Your Service - Litho
Third version of this card stating "70 young women as stewardesses." All versions are scarce or rare.
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70
1st Series 403 At Your Service - Litho
This one has the typical back for the Litho cards showing the map in 2 circles logo.
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71
1st Series 404 Luncheon Aloft
Vertical card with Stewardess wearing a United Air Line arm band. There is another vertical card showing a stewardess without an arm band serving a couple. Both cards are rare.
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72
1st Series 404 Luncheon Aloft - Litho
Mailed by passenger and postmarked June 22, 1934 at San Francisco, California.
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73
1st Series 405 At Your Service Aloft - Litho
Great image of ten stewardesses posed in front of a Boeing 247. 70 Stewardesses mentioned in back text. Card was re-issued with the 3rd Series where they mention 135 stewardesses.
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74
1st Series 405 At Your Service Aloft - Litho
The typical Litho back with the map in 2 circles logo.
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75
1st Series 406 Speed-Comfort-Power - Litho
Great view of Boeing 247 on ground ready for take off.
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76
1st Series 406 Speed-Comfort-Power - Litho
Yet another common back with the map in 2 circles logo. Have seen another example postmarked May 19, 1935.
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77
1st Series 407 Express shipments - Litho
Great photo from wing tip seeing express shipments being loaded.
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78
1st Series 407 Express shipments - Litho
Map in two circles logo. With 4 lines of text on the front no text needed on the back.
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79
1st Series 408 Century of Progress - Litho
Unusual numbered 1st Series card with a special last day of the Century of Progress hand stamp and postmark. I have not seen another example of this card.
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80
1st Series 408 Century of Progress - Litho
There is another version of this card with a back for the Century of Progress 2nd Series of postcards which is quite common.
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81
1st Series 500 Boeing Tri-Motor - RPPC
There are a number of cards showing the Boeing Model 80A in the 1st Series. All of them are rare.
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82
1st Series 500 Boeing Tri-Motor - RPPC
This card is postmarked May 16, 1933 and mailed at Cleveland, Ohio. When there is a series of postcards with any airline the postmarked cards help date the series.
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83
1st Series 503 World's Fastest - RPPC
View of the new Boeing 247 being introduced by United Air Lines and its features. A scarce postcard.
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84
1st Series 503 World;s Fastest - RPPC
Clear postmark at San Diego, California dated April 18, 1933.
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85
1st Series 504 Science Makes Night Flying Routine - RPPC
An interesting postcard that comes in several variations. This Real Photo version has the same text on front as the numbered Litho version.
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86
1st Series 504 Science Makes Night Flying Routine - RPPC
This version has a map and 2 circles logo with "Ships that Pas in the Night" and 10 lines of text under the title. I've seen another example of this card with a July 14, 1934 postmark.
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87
1st Series 504 Science Makes Night Flying Routine - Litho
This Litho version has the same text on the front as the Real Photo version. Science makes night flying routine.
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88
1st Series 504 Science Makes Night Flying Routine - Litho
Title on back Aerial "Ships that Pass in the Night." Also 10 lines of text under the title but larger print so the same text takes more space on the card.
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89
1st Series No # Science Makes Night Flying Routine - Litho
Third version of card with no number on back and no text on the front.
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90
1st Series No # Science Makes Night Flying Routine - Litho
Title on back is Science Makes Night Flying Routine with 8 lines of text underneath.
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91
1st Series 505 Air Liner is Flying City - RPPC
This Real Photo version has a text area under the photo titled Air Liner is "Flying City" and 5 lines of text underneath.
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92
1st Series 505 Air Liner is Flying City - RPPC
Rather plain but typical no logo back for the Real Photo version of the card.
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93
1st Series 505 Three-Mile-A-Minute - RPPC
Second Real Photo version without the title and text on the front. The cut-away image is the same on both cards.
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94
1st Series 505 Three-Mile-A-Minute - RPPC
This second Real Photo version has the back with the map and 2 circles logo.
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95
1st Series No Number Three-Mile-A-Minute - Litho
A Litho version of the previous card with no number on the back of the card.
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96
1st Series No Number Three-Mile-A-Minute - Litho
The back on this one, except for the number, is the same as the Real Photo version of the card.
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97
1st Series 505 Airliner is Flying City - Litho
The Litho versions all have the same cut-away view with no text on the front of the card.
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98
1st Series 505 Airliner is Flying City - Litho
Mailed by a passenger this card was mailed from Kansas City, Missouri and is dated February 24, 1934.
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99
1st Series 506 World's Fastest - RPPC
A fairly common postcard. There was a Litho version of the card available at the Century of Progress exposition.
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100
1st Series 506 World's Fastest - RPPC
Another Real Photo postcard with the map and 2 circles logo on back.
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101
1st Series 506 20 Hours Coast to Coast - Litho
This is one of two different cards numbered 506. The other one can be numbered 506 OR 507!
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102
1st Series 506 20 Hours Coast to Coast - Litho
Back is titled In Flight with United Air Lines with 10 lines of text underneath.
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103
1st Series 506 Modern Pony Express - RPPC
This version of number 506 shows a flying Boeing 247 with text under the photo. The Litho version with the same image is numbered 507!
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104
1st Series 506 Modern Pony Express - RPPC
Postmarked on the back June 14, 1934 at Chicago, Illinois.
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105
1st Series 507 Modern Pony Express - Litho
This Litho version, numbered 507, has slightly different text on the front than the Real Photo number 506 version.
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106
1st Series 507 Modern Pony Express - Litho
Rather plain map in 2 circles logo back with no text under the title.
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107
1st Series No Number 3-Mile-A-Minute - Litho
Rather common Litho card with no number on the back. Same map on the bottom of the card as the next card.
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108
1st Series No Number 3-Mile-A-Minute - Litho
The map in 2 circles logo places the card with the 1st Series.
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109
1st Series No Number 3-Mile-A-Minute - Litho
Another no numbered Litho postcard with a different image but the same map as the previous card.
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110
1st Series No Number 3-Mile-A-Minute - Litho
Another no numbered card with the map and 2 circles logo placing it with the 1st Series of United postcards.
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111
United 2nd Series
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112
United Airlines 2nd Series
All cards are airline issues.
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113
Century of Progress New Boeing Monoplane
This is by far the more common version of this postcard. It has a different style text on the front than the 1st Series no. 408 card.
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114
Century of Progress New Boeing Monoplane
Most all the cards from the Century of Progress exposition in Chicago have Written and Mailed from the Dome of ..... on th back of the card.
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115
Century of Progress World's Fastest
This is the Litho version of 1st Series no. 506 card. It was available at the Century of Progress expo.
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116
Century of Progress World's Fastest
Has the usual Written and Mailed from the Dome of the Travel and Transport Building on the back of the card.
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117
Century of Progress Cut Away View
The expo version of 1st Series no. 505 Cut-a-Way of the Boeing 247.
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118
Century of Progress Cut Away View
The expo version that just has Mailed from the Dome of the ... on the back of the card.
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119
Century of Progress High Speed Boeing Transpost
Same view as one of the 1st Series no. 506 cards but a different map under the image.
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120
Century of Progress High Speed Boeing Transpost
Has the Mailed from the Dome of the Travel and Transport Building text on the back.
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121
Century of Progress High Speed Boeing Transpost
Same as the previous card but has a special cachet and postmark applied in the Postal Car of the Burlington Railroad exhibit.
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122
Century of Progress High Speed Boeing Transpost
The cachet states First Day of the expo with a May 26, 1934 postmark. See 1st Series card no. 408 for a card with a last day cachet and postmark. I suspect both of these are scarce.
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123
Century of Progress 3 Mile a Minute
There is a no numbered 1st Series card with this image. This one has a border. The 1st Series card does not.
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124
Century of Progress 3 Mile a Minute
These last two card in the series both have borders and a map and 2 circles logo bit still say Mailed from the Dome of the ....
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125
Century of Progress Cut Away View
There was a borderless version of this card also available at the Century of Progress exposition.
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126
Century of Progress Cut Away View
This like the previous card are expo issues but have the map in 2 circles logo on the back.
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127
United 3rd Series
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128
United Air Lines 3rd Series
All cards are airline issues.
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129
3rd Series Air Stewardesses
This is a re-issue of the 1st Series card no. 405 which was also a black & white Litho postcard.
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130
3rd Series Air Stewardesses
The back shows the new map alone logo used with the 3rd Series United issues. 135 girls..
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131
3rd Series Air Stewardesses
Rare postcard. Great view of Stewardesses around tail of B247.
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132
3rd Series Air Stewardesses
Back now mentions 150 air hostesses. I just paid $121.50 plus shipping and tax for this card!
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133
3rd Series Air View of Chicago
First Chicago view card from United. 3rd Series cards can have a glossy or dull surface. This one has the glossy surface no doubt made to look more like a Real Photo card. It is still a Litho postcard.
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134
3rd Series Air View of Chicago
The 3rd Series backs come with different style text on the back. I'll call this version the "small script" text.
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135
3rd Series Air View of Chicago
The same air view of Chicago as the previous card. This one as a dull, non-glossy surface.
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136
3rd Series Air View of Chicago
This back has different and larger text on the back. I'll call this version "large block" text.
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137
3rd Series Boulder Dam
First Boulder Dam card from United.
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138
3rd Series Boulder Dam
Back has the map alone logo and large block text. The card is postmarked August 7, 1936 at Chicago, Illinois.
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139
3rd Series Boulder Dam
Second boulder dam card with a Boeing 247 overhead. Glossy surface and small script text on the back.
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140
3rd Series Boulder Dam
No logo on this card. I'm placing it with the 3rd Series cards because of the small script text and the double line down the middle of the card like the others.
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141
3rd Series Coast-to-Coast Flyer
Great view of the Boeing 247 on the tarmac and map under the image.
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142
3rd Series Coast-to-Coast Flyer
Usual logo on back but with a different and smaller block text on back.
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143
3rd Series Columbia River Gorge
Different view along the Colombia Rive than the 1st Series card. Dull surface.
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144
3rd Series Columbia River Gorge
Map alone logo and large block text on this card.
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145
3rd Series Grand Canyon
First Grand Canyon postcard from United. Dull surface variety.
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146
3rd Series Grand Canyon
Map alone logo and large block text on the back of the card.
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147
3rd Series Grand Canyon
Same Grand Canyon view as the previous card but with a glossy surface.
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148
3rd Series Grand Canyon
Map alone logo with small script text on the back.
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149
3rd Series Interior Boeing 247
Interior of the Boeing 247 with no pillows in the overhead. Dull surface on the card.
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150
3rd Series Interior Boeing 247
Usual block text on the back with the cards with a dull surface on front.
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151
3rd Series Interior Boeing 247
Same image as the last card but with pillows in the overhead! Glossy surface on front.
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152
3rd Series Interior Boeing 247
Map alone logo with small script text.
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153
3rd Series Los Angeles at Night
A different night time view of Los Angeles than the 1st Series postcard. Photo copyright Ferdinand Ellerman. Dull surface.
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154
3rd Series Los Angeles at Night
Map alone logo and large block text on back.
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155
3rd Series Modern Pony Express
A new card of the Boeing 247 in the air along with a map under the image. This one has what I would call a semi-gloss surface.
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156
3rd Series Modern Pony Express
Usual map alone logo but with smaller block text on the back.
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157
3rd Series Mount Rainier
First United postcard showing Mount Rainier. Dull surface.
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158
3rd Series Mount Rainier
Map alone logo with large block text. Postmarked November 29, 1036 at Chicago, Illinois.
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159
3rd Series New York City
Same New York City as the 1st Series card with no text on the front of the card. Dull surface.
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160
3rd Series New York City
Usual map alone logo and large block text on other dull surface postcards.
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161
3rd Series New York City
Same image as previous card and 1st Series card. Glossy surface.
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162
3rd Series New York City
Map alone logo with small script text on the back of the card.
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163
3rd Series Power of 1100 Aerial Horses
Great close-up view of the Boeing 247. Crew by nose of the plane. Glossy surface.
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164
3rd Series Power of 1100 Aerial Horses
Map alone logo with small script text as is typical with the cards with the glossy surface fronts.
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165
3rd Series Power, Stamina, Speed
Same view of plane and crew as last card. Semi-Gloss surface.
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166
3rd Series Power, Stamina, Speed
Map alone logo with smaller block text associated with the cards with the semi-gloss surface on the front of the card.
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167
3rd Series San Francisco - Oakland Bridge
A new San Francisco area view for United. This one has a glossy surface.
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168
3rd Series San Francisco - Oakland Bridge
Map alone logo with small script text. The card is postmarked July 10, 1937 at Chicago, Illinois.
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169
3rd Series San Francisco - Oakland Bridge
This is the dull surface version of the previous card.
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170
3rd Series San Francisco - Oakland Bridge
It has the usual map alone logo and large block text on the back.
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171
3rd Series Seattle, Gateway to Alaska
This is the first postcard from United showing a view of Seattle, Washington. It has a dull surface.
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172
3rd Series Seattle, Gateway to Alaska
The card has the map alone logo and large block text.
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173
3rd Series Speed with Comfort
Interesting view of passengers and crew in front of Boeing 247 airliner. Glossy front image.
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174
3rd Series Speed with Comfort
Typical map alone logo with small script text for the cards with a glossy front.
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175
3rd Series Speed with Comfort
Same image as the previous card but with a dull finish.
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176
3rd Series Speed with Comfort
Map alone logo with large block text.
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177
3rd Series Stewardess serving Dinner
Great image of stewardess with a meal for a passenger. Dull finish.
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178
3rd Series Stewardess serving Dinner
Map alone logo and large block text on the back. Is this like the meal you had on your last flight?
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179
3rd Series Yellowstone Park
First United postcard showing a view of Yellowstone National Park. Glossy finish.
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180
3rd Series Yellowstone Park
Map alone logo and small script text. This card shows a clear Chicago, Illinois postmark dated January 5, 1937.
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181
3rd Series Yellowstone Park
The dull finish version of the previous card.
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182
3rd Series Yellowstone Park
Typical map alone logo and large block text.
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183
3rd Series 1935 Model Airliner
A new image of the Boeing 247 not used previously. Semi-gloss surface.
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184
3rd Series 1935 Model Airliner
Same map along logo with smaller block text on the back.
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185
3rd Series Main Line Mid-Continent Airway
This card shows the previous image with a map banner below. Notice the stars at either end of the map. Glossy finish.
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186
3rd Series Main Line Mid-Continent Airway
The common map alone logo with small script text on the back.
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187
3rd Series Power, Stamina, Speed
The same image of the Boeing 247 as the last two cards. This one also with a map banner at the bottom. The map is different and there are no stars on either side of the map.
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188
3rd Series Power, Stamina, Speed
This one has the map along logo with a smaller sized block text. The front is semi-gloss.
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189
3rd Series Flys more Passenger-miles than any other arline
Another new image of the Boeing 247 not used before. Dull surface.
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190
3rd Series Flys more Passenger-miles than any other arline
The usual map alone logo with large block text associated with the dull surface fronts.
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191
3rd Series Twin-Engined 3-Mile-A-Minute Transport
Small child watching a Boeing 247 landing. Dull surface.
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192
3rd Series Twin-Engined 3-Mile-A-Minute Transport
Map alone logo with large block text.
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193
United 4th Series
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194
United Air Lines 4th Series
All cards are airline issues.
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195
4th Series Skylounge of the Skyways
This Cut-A-Way view shows the swivel seat arrangement of the passenger compartment.
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196
4th Series Skylounge of the Skyways
The first 8 cards were numbered 1-8, then a second print run without numbers. I don't have the number 1 version of this card.
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197
4th Series 2 Fleet of 29 Sleeper Type
This Cut-A-Way view shows the Sleeper arrangement of the passenger compartment.
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198
4th Series 2 Fleet of 29 Sleeper Type
Card no. 2. The text of the back mentions 29 sleeper planes in United's fleet.
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199
4th Series No Number Fleet of 36 Sleeper Type
Same Cut-A-Way view of the Sleeper type cabin as the previous card.
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200
4th Series No Number Fleet of 36 Sleeper Type
This no numbered version has text mentioning 36 sleeper planes now in the United's fleet.
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201
4th Series 3 Sleep at 200 M.P.H.
The sleeping compartment on board this version of the DC-3.
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202
4th Series 3 Sleep at 200 M.P.H.
The shield logo is typical for the 4th Series cards. This card was mailed by a passenger at Chicago, Illinois postmarked May 26, 1938.
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203
4th Series 4 Luxurious Skylounge
Interior view showing passengers enjoying the swivel seats on their flight.
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204
4th Series 4 Luxurious Skylounge
Typical back with the shield logo. This card is postmarked November 26, 1938 at Cheyenne, Wyoming.
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205
4th Series No Number Luxurious Skylounge
The same swivel seat image as the numbered card.
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206
4th Series No Number Luxurious Skylounge
Just very slightly different text on the back of this no number card. Same shield logo.
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207
4th Series 5 Speed plus Luxury
Great view of the DC-3, NC 16070, in flight.
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208
4th Series 5 Speed plus Luxury
Shield logo on back and different text than on the non-numbered version.
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209
4th Series No Number Speed plus Luxury
Same image of the DC-3 in flight as the previous numbered card.
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210
4th Series No Number Speed plus Luxury
This non-numbered card has different text on the back than the numbered version.
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211
4th Series 6 Dining Aloft
Dining in the Skylounge aircraft with the swivel chairs. Meals are served on individual tables with real china, silver and linen.
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212
4th Series 6 Dining Aloft
Standard shield logo. the text is slightly different than the un-numbered card.
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213
4th Series No Number Dining Aloft
The same photo used for the numbered version of the card.
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214
4th Series No Number Dining Aloft
Slight variation in the text from the numbered card. I have seen another example of this card with a December 1, 1938 postmark.
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215
4th Series The World's First Extra Fare Plane
The numbered version of this card has the same title and text as this card. I do not have the numbered version.
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216
4th Series The World's First Extra Fare Plane
This card is identical to the numbered version of the card except for the number 7.
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217
4th Series The World's Most Luxurious Land Plane
This card has the identical front as the previous card. The back is different.
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218
4th Series The World's Most Luxurious Land Plane
Both this card and the previous one feature the Douglas DC-3 with the swivel seats. The titles and text below it are different on both cards.
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219
4th Series 8 United Air Lines' Mainliner
Great closeup view of the DC-3 on the ground. It has a range of 1500 miles without refueling.
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220
4th Series 8 United Air Lines' Mainliner
This numbered version of the card has a different title and text on the back of the card. Both have the usual shield logo.
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221
4th Series No Number Nation's Most Powerful Land Plane
The front is identical to the card numbered 8.
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222
4th Series No Number Nation's Most Powerful Land Plane
The title and text is different on this card than the numbered version.
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223
4th Series A World's Standard for Speed Plus Luxury
The front shows a different Cut-A-Way view of the DC-3 version with the swivel seats for passengers.
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224
4th Series A World's Standard for Speed Plus Luxury
Part of text states 14-1/2 hours from California to New York with only 3 stops.
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225
4th Series Air Kitchenette
In these kitchenettes Stewardesses prepare 350,000 meals a year. This card is scarcer than many others.
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226
4th Series Air Kitchenette
The typical back for cards in this series with the shield logo.
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227
4th Series Los Angeles at Night
This is a re-issue of the 3rd Series card of Los Angeles but cropped slightly differently.
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228
4th Series Los Angeles at Night
Besides the different logo the text is also different than that on the 3rd Series card.
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229
4th Series Main Line Airway
United's Mid-Continent route cuts straight across the heart of America. Full size map.
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230
4th Series Main Line Airway
Standard shield logo back.
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231
4th Series Mainliner Comfort Aloft
Interior of the DC-3. Stewardess in the very back.
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232
4th Series Mainliner Comfort Aloft
Standard shield logo back. Card was mailed by a passenger at Oakland, California and is dated June 15. 1940.
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233
4th Series New York City From the Air
This same view of the New York City was used with the 1st Series and 3rd Series cards though each is cropped slightly differently.
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234
4th Series New York City From the Air
Standard shield logo. The text is different on all the variations of this card.
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235
4th Series Mainliner Over San Francisco Fair
United DC-3 flying over the Golden Gate International Exposition in San Francisco.
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236
4th Series Mainliner Over San Francisco Fair
This card was mailed by a passenger at Chicago, Illinois and has a clear postmark dated August 26, 1939.
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237
4th Series A World's Standard for Speed Plus Luxury
United DC-3 flying above the clouds. First card with this image.
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238
4th Series A World's Standard for Speed Plus Luxury
The standard 4th Series back with the shield logo.
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239
4th Series Sleeper Type Mainliner
The fleet of 36 sleeper planes have accommodations for 12 passengers in berths like this one.
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240
4th Series Sleeper Type Mainliner
Mailed by a passenger at San Francisco, California. Nice clear postmark dated April 14, 1940.
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241
4th Series United Air Stewardesses
First version of this card mentioning 125 air stewardesses. Next print run says 150.
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242
4th Series United Air Stewardesses
United Air Lines initiated the air stewardess idea in 1930.
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243
4th Series United Air Stewardesses
Seven air stewardesses of 150 on the New York-Chicago-Pacific Coast and Seattle-San Diego airways.
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244
4th Series Seven Air Stewardesses
United Air Lines initiated the air stewardess idea in 1930.
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245
4th Series United Air Lines' Mainliner
Great closeup view of a United DC-3 against an amazing cloud cover.
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246
4th Series United Air Lines' Mainlinerr
Another shield logo backed 4th Series card. This one mailed by a passenger with an Oakland, California postmark dated July 31, 1937.
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