Vintage 1920s Green Turquoise and Silver Ring

Dark green turquoise cabochon.  Sterling silver setting with stamped Native American decoration on the sides. 

DETAILS:
Label:  none 
Fabric:  Silver; stone 
Circa:  1920s
Condigion:  Overall excellent.  The ring shows normal wear, with only some light surface wear (see photos).    
   
Ring size:  US 7
Length:  1 7/8"