9 mai 2011
René Boivin jewelry @ Sotheby's. Magnificent Jewels. 14 Apr 11. New York
18 Karat Gold and Diamond 'Tulip' Double-Clip Brooch, René Boivin, France, Circa 1940. Photo Sotheby's The polished gold flowers designed as tulips set throughout with rose-cut diamonds, maker's mark for Boivin, French assay marks, flowers detach to be...