Selection of jewelry sold @ Sotheby's, 18 Mar 10, London

Three gem-set brooches, Van Cleef & Arpels, 1950s

Each designed as a duck graduated in size, set with a cabochon emerald body, and a cabochon ruby eye, each signed Van Cleef & Arpels and numbered, French assay and maker's marks, pouch. Est. 2,500—3,500 GBP. Lot Sold 12,500 GBP

Sapphire brooch, Cartier, 1963. photo courtesy Sotheby's

Designed as an owl on a branch with textured feathers and an articulated head, the eyes set with cabochon sapphires, signed Cartier, maker's marks, British hallmarks for London, 1963. Est. 3,000—4,000 GBP. Lot Sold 5,250 GBP

LITERATURE AND REFERENCES: Cf: Nadine Coleno, Amazing Cartier, France, 2008, page 28 for examples of several owl brooches by Cartier from the 50s and 60s.

Enamel, emerald and diamond brooch, Russian, circa 1910. photo courtesy Sotheby's

Designed as a beetle, the body decorated with royal blue guilloché enamel, circular-cut emerald eyes, highlighted with circular- and single-cut diamonds, 56 Zolotnik mark, St Petersburg 1908-1917, workmaster's mark, fitted case. Est. 2,000—3,000 GBP. Lot Sold 4,750 GBP

Gem-set and diamond brooch, early 20th century. photo courtesy Sotheby's

Designed as a salamander set with circular-cut demantoid garnets, and diamonds with similarly cut ruby eyes. Est. 2,000—2,500 GBP. Lot Sold 3,125 GBP

Gem-set and diamond brooch, late 19th century. photo courtesy Sotheby's

Designed as a bird of paradise, set with circular-cut demantoid garnets, similarly cut diamonds and a ruby eye, later pin fitting. Est. 2,000—3,000 GBP. Lot Sold 2,500 GBP

Sotheby's. Jewels. 18 Mar 10. London www.sothebys.com