French production from the ART DECO period Long necklace in 18k grey gold (750‰) with alternating round and rectangular links in onyx a

French production from the ART DECO period
Long necklace in 18k grey gold (750‰) with alternating round and rectangular links in onyx and coral, and small balls circled with diamonds, as well as the clasp
Length: 65 cm
Gross weight: 20,8 g