Large vintage Navajo sterling silver and spiny oyster pendant by famous master craftsman John McRay. This is a large teardrop spiny oyster stone set in a fancy stamped sawn bezel with a rope chain. Signed with his complex circle with a JM in the center and John McRay IHMSS for Indian handmade Sterling Silver. 
 
Size of the pendant is 2 3/4", the bale is 3/8", the weight is approximately 17.5 grams