Signed Native American Ring in Sterling Silver with Top Grade Turquoise Size 6

Vintage hand made Native American ring in sterling silver. It is set with a deep blue natural turquoise stone that has brown matrix and quartz inclusions. It is decorated with a large feather, raised appliqué work and raindrops. Hand notched bezel. Shank is cold chisel split and hand stamp decorated. Size 6. Face of the ring measures 1 1/4" by 1". Hallmarked on the back with a Hopi style bear track hallmark and an "S". Weight: 11.5 grams.