15 septembre 2013
Gold, silver, sapphire bead and ruby necklace, René Boivin, France
Gold, silver, sapphire bead and ruby necklace, René Boivin, France. Photo: Sotheby's. The front composed of six strands of round sapphire beads graduating in size, spaced at intervals by links set with 54 cabochon rubies, completed by a semi-flexible...