Antiques Roadshow | Appraisal: Coro Duette Seahorse Brooch, ca. 1945 | Season 23 | Episode 10 | PBS
What is a Duette Brooch? - AC Silver
Signed Coro Duette Art Deco Silver and Marcasite Brooch and Dress Clip, 1940s For Sale at 1stDibs | coro duette brooch, silver brooch for dress, coro duette brooches
French Art Deco Platinum and Diamond Duette Brooch at auction | LOT-ART