Clock, Screen, 1925; Produced by Cartier (France); mother-of-pearl, diamonds, black enamel, coral, onyx, gold; H x W x D: 13 × 9.2 × 6.8 cm (5 1/8 × 3 5/8 × 2 11/16 in.); Lent by Private Collection; 13.2016.98