Early Native Ring with Killer Blue Turquoise Size 10 JR 184

A special beauty. Big early Silver Native ring with distinctive silverwork. But the best is the incredible turquoise cabochon with striking markings. Just gorgeous.
Circa 1940s. Nice wide silver comfortable shank.
Tested Sterling The only mark on the back is word Riggs scratched in.
The ring is size 10 and weighs 27 grams.
Inventory #JR 185