Diamanté Leaf 1940s Coro Duette
Brooch: 1 1/2" x 2 1/8"; clip: 1 1/2" x 1 1/4"
1947-1948 (based on design patent and magazine ads)
"Coro Duette" (in script) and "PAT. NO. 1798867" on frame
Design patent D148,246 issued to Adolph Katz in 1947
This Coro Duette is a vintage jewelry piece composed of a pair of leaves with emerald-cut and round diamanté set in rhodium-plated metal. Designed by Adolph Katz, this piece can be worn as a brooch or as separate dress clips. This substantial double-clip brooch was advertised in the December 1, 1947 issue of Vogue and the April 1948 issue of Mayfair. The ad in the last photo shows an example of how to wear the clips. Their double-prong fasteners work well with heavier fabrics, such as wool blazers and dresses. You can see the utility patent for the brooch mechanism here, beneath Coro’s name.
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