Lot 151. An art deco nephrite and aventurine quartz partners clock, by Cartier, circa 1930. Estimate £15,000 - £20,000. Courtesy Bonham's. 

Double-sided, the octagonal nephrite case with carved tiling and an aventurine quartz base and stepped pediment, the cream dials with applied black enamelled Roman numerals, black enamelled and hands and a gold bezel, dials signed Cartier, base plate signed Cartier, numbered 2130, 13.0cm x 10.0cm x 7.0cm.

Bonham's. London Jewels, December 4, 2019 2:00 PM GMT