AN EXQUISITE ART DECO DIAMOND AND BLACK ONYX BROOCH, BY CARTIER

细节
AN EXQUISITE ART DECO DIAMOND AND BLACK ONYX BROOCH, BY CARTIER
Designed as an openwork old mine and old European-cut diamond oval-shaped panel of inverse cartouche motif with black onyx trim, circa 1925, in a Cartier London original red leather fitted case
Signed by Cartier, no. 2615532