Coro Duette Patents

Coro Duette Patents

Each Coro Duette or separable brooch had a uniquely shaped Duette frame made specifically to hold the two pin clips (or fur clips)in a fixed position so that together they could be worn as a brooch. When the duette frame becomes separated from the clips it is almost impossible to know what pin clips it belongs with and the duette is lost to jewellery collectors. Single duette clips can often be found but the value of a separated clip is far lower and less desirable than a fully assembled duette.

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enlarge 44KB, 397x640 Candas Duette Mechanism	enlarge 46KB, 640x397 105112 Coro Katz Bow 37 Patented by Coro as a Brooch	enlarge 48KB, 640x375 110296 Coro Verrecchio Brooch Duette 38 "Quivering Camellia" Duette p. 51 Brunialti, American Costume Jewelry	enlarge 62KB, 640x392 110296 Robin Deutsch Collection
enlarge 50KB, 640x408 Linn Alber Camelia Duette	enlarge 32KB, 640x336 Coro Camellia Frame	enlarge 44KB, 640x522 115266 Coro Katz Floral Brooch Duette 39 "Bell Flower" Duette p. 68 Tribute to America, Brunialti	enlarge 70KB, 515x640 LChampion Duette-5
enlarge 52KB, 403x640 LChampion Duette-5b	enlarge 43KB, 640x458 115852 Coro Katz Floral Brooch Duette 39 "Trembling Flowers" Duette p. 68 Brunialti, Tribute to America	enlarge 38KB, 640x494 116233 Coro Katz Floral Brooch 39 "Nodders Flower" p. 68, Brunialti, Tribute to America	enlarge 71KB, 640x386 116233 Duette Courtesy Diane of Past & Present Jewelry
enlarge 67KB, 640x472 116233 Duette Courtesy Jan of EdgewaterVintage Jewels.com	enlarge 60KB, 640x412 LChampion Duette-4	enlarge 67KB, 640x516 LChampion Duette-4b	enlarge 42KB, 640x449 116477 Coro Katz Pin Clip Duette 39
enlarge 31KB, 640x377 116478 Coro Katz Pin Clip Duette 39 Quivering Camellia Duette - variation on design patent 110296. p. 51, Brunialti, American Costume Jewelry	enlarge 81KB, 640x426 116478 Enamel Variation - Courtesy Jan of EdgewaterVintage Jewels.com	enlarge 64KB, 640x356 116478 Courtesy Merry Kaufman	enlarge 29KB, 640x335 116607 Coro Katz Floral Pin Clip 39
enlarge 34KB, 640x528 116607 Courtesy Beth Rowlands of Emerald City	enlarge 47KB, 640x446 EmCity Duette 1	enlarge 35KB, 640x330 122199 Coro Katz Rose Brooch Pin Duette 40	enlarge 40KB, 640x380 122436 Coro Katz Rose Brooch Duette 40
enlarge 39KB, 640x358 122438 Coro Katz Floral Brooch Duette 40	enlarge 30KB, 640x299 122485 Coro Katz Floral Duette 40	enlarge 81KB, 548x640 Jan Bunny Flower Lady Coro duette	enlarge 43KB, 640x325 diane Past and Present Coro Floral 3
enlarge 35KB, 640x338 122603 Coro Katz Pin Clip 40	enlarge 29KB, 640x332 122604 Coro Katz Pin Clip 40	enlarge 44KB, 640x419 123165 Coro Katz Floral Duette 40	enlarge 38KB, 640x357 123165 Courtesy Adrienne Shivers
enlarge 41KB, 640x353 123280 Coro Verrecchio Floral Brooch Duette 40 Quivering Camellias Duette - variation on design patent 110296	enlarge 29KB, 640x320 125171 Coro Verrecchio Brooch 41	enlarge 0KB, 640x474 125171 Luda Tovey Collection	enlarge 26KB, 640x371 125171 Frame
enlarge 45KB, 545x640 125171 Courtesy Beth of Emerald City	enlarge 29KB, 619x640 126490 41 Coro Verrecchio Calopsitta Clip	enlarge 49KB, 466x640 Coro Calopsitta Duette Luda Tovey Collection	enlarge 43KB, 599x640 Calopsitta Frame