1 septembre 2013
Silver, 18 karat gold and ruby 'Cancer' brooch-case, René Boivin
Silver, 18 karat gold and ruby 'Cancer' brooch-case, René Boivin. Photo courtesy Sotheby's Designed as a crab with articulated legs, completed by two cabochon ruby eyes, gross weight approximately 37 dwts, signed René Boivin, with French assay and workshop...