ART DECO DIAMOND, INTAGLIO, BLACK ONYX, ENAMEL AND GOLD CASE

Details
ART DECO DIAMOND, INTAGLIO, BLACK ONYX, ENAMEL AND GOLD CASE

Of rectangular outline and black enamel and 18K gold, the cover set with an intaglio within a single-cut diamond and gold frame, trimmed with single-cut diamond and black onyx, with a rose-cut diamond thumb piece, mounted in platinum and gold--3 1/8 x 2¼ x 1/2 in.

Signed by Cartier, N. Y.