6 mai 2012
Chalcedony and sapphire ring, circa 1935
Chalcedony and sapphire ring, circa 1935. Photo Sotheby's The carved chalcedony decorated with a sapphire cut en cabochon, size 47. Lot 16. Estimation 18,000-27,000 CHF LITTERATURE: Cf: Sylvie Raulet & Olivier Baroin, Suzanne Belperron, 2011, page 135...