CARTIER. Châtelaine with case in platinum 850 thousandths and yellow gold 18k partially enamelled black, the ivory dial with Roman numerals for the hours and railroad. The back centered of four square brilliant diamonds supported by two small round brilliant diamonds, the entourage set with forty-five diamonds size 8/8. The clasp is set with twenty-three old-cut or 8/8-cut round diamonds (one missing). The scroll pin set with eight onyx cabochons and sixty-seven old-cut or 8/8-cut round diamonds (missing a plate on the back, chip). Numbered 02182. Art deco period. Length : 13 cm - Height. 3.5 cm - Width : 1.7 cm - Gross weight : 28.2 g