A diamond ruby enamel zebra bangle. Photo Philips de Pury & Co

The bangle designed as the head of a zebra with a body of articulated sections applied with black and white enamel, the eyes set with cabochon rubies, and the mouth and tail grasping a pavé-set diamond ring with further pavé-set diamond detail to the head and ears, inner diameter 5.5 cm. ESTIMATE £12,000-14,000 - Unsold

Philips de Pury & Co. Jewels. 1 june 2011. London www.phillipsdepury.com