NO RESERVE VAN CLEEF & ARPELS ART MODERNE DIAMOND AND ONYX CLIP-BROOCH

NO RESERVE VAN CLEEF & ARPELS ART MODERNE DIAMOND AND ONYX CLIP-BROOCH
Old-cut diamonds, onyx plaque, 18k yellow and white gold (French marks), circa 1935, signed Van Cleef et Arpels, From France, maker's mark (Atelier Sellier-Dumont), numbered

Size/Dimensions: 2.9 x 3.1 cm (1 1⁄8 x 1 1⁄4 in)
Gross Weight: 16.4 grams