Vintage Thunderbird Spiny Oyster Sterling Silver Ring, Size 12 1/2 JR 777

Vintage Zuni cast silver ring with Spiny Oyster inlaid in the front and a big Thunderbird cast into each side.
Circa 1950s. Nice wide comfortable shank. Good wear and patina.
Tested Sterling. Unmarked like many of the oldies.
The ring is size 12 1/2 and weighs 13 grams.
Inventory #JR 777