Iconic 18 karat gold, malachite, purpurine and ivory bracelet, Boucheron, Paris. Photo courtesy Sotheby's

The flexible bracelet of African inspiration, centered by purpurine tablets accented by half-moon-shaped ivory segments, framed by carved malachite panels and rondelles, spaced by polished gold beads, internal circumference approximately 7 inches, signed Boucheron Paris; circa 1931. In original signed and fitted box. Estimate: $150,000 – $250,000

Exhibited: Exhibited at the Exposition Coloniale in Paris, 1931, with a necklace of similar design.

Literature: The Impossible Collection: The 100 Most Important Jewels of the Twentieth Century by Vivienne Becker, plate 20.

Art Deco Jewelry ed. by Laurence Mouillefarine and Évelyne Possémé, pages 100-101.

Boucheron: Four Generations of a World-Renowned Jeweler by Gilles Nérest, pages 112-113.

Sotheby's. Magnificent Jewels. New York | 11 Dec 2013, 10:00 AM - http://www.sothebys.com