NO RESERVE CARTIER ART DECO ONYX, PEARL AND DIAMOND JABOT-BROOCH

NO RESERVE CARTIER ART DECO ONYX, PEARL AND DIAMOND JABOT-BROOCH
Polished onyx, button-shaped pearls, old and single-cut diamonds, 18k white gold (French mark), circa 1925, signed Cartier, numbered, red Cartier case

Size/Dimensions: 6.5 cm (2 1/2 in)
Gross Weight: 8.2 grams