OSCAR HEYMAN & BROS. ONYX AND DIAMOND LINE BRACELET

OSCAR HEYMAN & BROS. ONYX AND DIAMOND LINE BRACELET
Designed as a line of French-cut black onyx, interspersed with round diamonds, mounted in platinum

Metal: Platinu (tested)
Diamonds: 14 round diamonds with approximate total weight of 0.60 - 0.70 carat
Stones: 40 French-cut black onyx
Marks: maker's mark for Oscar Heyman & Bros., numbered, PATOCT
Size/Dimensions: 16.5 cm length, 3.0 mm width
Gross Weight: 12.5 grams