Signed 1970s P.J.K Navajo TURQUOISE Sterling Silver RING s7 9.9g JR444

Delicate sterling silver handmade by a Navajo artist with initial P.J.K, circa approx. 1970-1980, its bezel set a deep blue natural Turquoise, with a light blue spider web. The turquoise is 20.0 x 16.0mm; it has twist wire adorns on the base. The ring top is 24.0 x 18.6mm, weight 9.9 grams, and size 7. Designer hallmark