Navajo Blue Turquoise Ring in Sterling Silver Size: 5

Vintage Navajo sterling silver ring set with natural blue turquoise. The stone is decorated with twisted wire rope. appliqué work and knife edge stamping. Ring has a very strong shank that is cold chisel split. Face of the ring measures 1 3/8" by 1 1/8". Weight: 15.4 grams. Some tarnish. No hallmarks. Acid tested. C. 1940.