Navajo Dark Mint Green Turquoise Ring in Sterling Bell Trading Post Size 7.5

Vintage Navajo sterling silver ring by Bell Trading Post. It has the signpost hallmark and sterling stamped inside. It is set with a natural dark mint green American turquoise stone. It is natural. Note that the bezel comes up over the edge of the stone onto the table just a bit. Earlier ring. 

Size 7.5 Face measures 1" long. Weight: 7.5 grams. Very good condition.