Vintage Navajo Shadowbox Pendant with Turquoise

Vintage Navajo sterling silver shadowbox pendant set with genuine turquoise. It has black matrix. Pendant measures 1 1/4" in diameter. Bail has two attached jump rings, perhaps to accomodate a larger chain. Marked sterling. No artist marks Has a gunmetal patina and tarnish from age. Weight: 10.6 grams.