Signed Navajo Ring with Rich Natural Turquoise Stone Sterling Silver Size: 10

Vintage signed Navajo sterling silver ring. It is set with a natural turquoise stone that is rich in color. Turquoise has attributes of the Red Mountain mine. Ring is a size 10. Face measures 1 1/2" long by 1" wide. Dome is 3/8" tall. Weight: 12.4 grams. Hallmarks is done with an electric engraver. C. 1975.