Early Signed Zuni Turquoise Inlay Butterfly Earrings Screw Back Sterling Silver

Vintage Zuni sterling silver screw back earrings inlay set with jet, turquoise. coral and mother of pearl. Butterfly design. Have a scratch in hallmark "RH" on the back. Measure 1" by 7/8". Marked sterling on the screws. Total weight: 11 grams. Screws are operational. Very rustic. C. 1930.