Genuine  Vintage Onyx and Spiny Oyster 

Genuine Sterling Silver

Signed JR and JS

Vintage Onyx and Spiny Oyster inlay sterling silver watch bracelet. Signed JR and JS. Bracelet is 7 1/2 inches in total length, but with chain extension can fit 6 inches to 7 1/2. Onyx stone is 0.50 inch in length and 0.69 inch in width.