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Coral and diamond bracelet, Cartier, Circa 1920. photo Sotheby's

Composed of alternating sugarloaf cabochon and rectangular segments of coral, set with small rose-cut diamonds, mounted in platinum, length 7 inches, signed Cartier, numbered 25628. Est. 12,000—15,000 USD - Hammer Price with Buyer's Premium:  30,000 USD

Sotheby's. Magnificent Jewels. 09 Dec 09. New York www.sothebys.com