Zuni Sunface and Zia Tie Tack in Sterling Silver with Inlay Stones

Vintage tie tack in sterling silver that is in the design of a Southwestern Zia. Center is inlay set with mother of pearl, turquoise, jet and red coral in the design of the Zuni sungod. 

Measures 15mm in diameter. Very tarnished. No hallmarks. The clutch is not sterling. Weight: 3.1 grams.