Vintage Cartier Hardstone (obsidian?) ashtray with gold cigarette rest.

Lotto 869
1 4001 600
Vintage Cartier Hardstone (obsidian?) ashtray with gold cigarette rest. Signed Cartier, numbered 18936, French gold hallmark and maker’s mark Total Length : 12.8 cm Width : 8.2 cm Height : 3.5 cm Circa 1960