Early Fred Harvey Era Navajo Turquoise Ring in Sterling Silver Adjustable

C. 1920 Fred Harvey era Navajo sterling silver ring. It is set with natural turquoise that has ombre color, dark to light It has a crack in the center as it is natural and not stabilized with resin. It is not in danger of falling out. This is common with early rings. 

It has nice appliqué work and raindrops at the shank splits. The shank was made split and it is adjustable. Right now it is a 7 1/2. The shank is bent and misshapen from wear. One of the splits on the shank is not soldered to the back. Tarnished. Measures 16mm wide. Weight 4.1 grams.