18 karat gold, sapphire, emerald and citrine 'Poisson' pendant-necklace, René Boivin, France. Photo courtesy Sotheby's

The textured gold fish with an articulated tail, set with numerous round sapphires and emeralds, further set with two cabochon citrine eyes, completed by a fancy-link chain, total gross weight approximately 51 dwts,chain length 27½ inches, with French assay and workshop marks; the top of the fish pendant opens to reveal a compartment holding a perfume vial. With signed pouch. Estimate 15,000 — 20,000 USD

Sotheby's. Important Jewels. New York | 24 Sep 2013 - http://www.sothebys.com