A diamond, ruby and enamel frog bracelet, by David Webb. Estimate $20,000 – $30,000. Photo Christie's Image Ltd 2015

Designed as an articulated hinged bangle, with two opposing white enamel frogs set with oval cabochon ruby eyes and circular-cut diamond lips, their gold spotted bodies forming the hoop, joined by an oval cabochon ruby, 6 1/2 ins., mounted in platinum and 18k gold - Signed David Webb

PROPERTY FROM THE ESTATE OF GLORIA G. MEYER

Christie's. IMPORTANT JEWELS, 20 October 2015, New York, Rockefeller Plaza