Antique native ring ( sterling silver)

The turquoise in this antique ring is natural cut & untreated no polishing & absolutely stunning piece of turquoise, the other stone is natural coral , this ring is un- signed but tests to be at least 925 by acid test , it's a size 8 ,it can be sized ( This is a family heirloom that's been in our family for 100 years ) no information on who may have made it . Amazing piece of history ( in great shape no chips )