Deep Blue Natural Turquoise Ring in Sterling Silver Size 7.5

Vintage 1970s Navajo sterling silver ring that is set with deep natural blue turquoise.

It is a size 7.5 and the face measures 1 1/8" long by 5/8" wide. Shank is hand made with cold chisel splits. Tarnished. No hallmarks. Acid tested. C. 1960.