Butterfly Pendant Pin Zuni Sterling Silver with Stone Inlay

Vintage Zuni butterfly pin/pendant. It is inlay set with two colors of Mother-of-pearl, coral and turquoise. It has a locking pin back and a bail for a chain. It measures 1 1/8" wide and 1 1/4" tall. Weight: 6 grams. No hallmarks. Acid tested. Tarnished.