Older Navajo silver and turquoise concho belt buckle. Nice early buckle with a hand-bezeled turquoise stone. This is a nicely stamped and chased buckle purchased from pawn in the c1980s and stored away. 
 
Size 3 1/2" x 3"
 
It is fitted with double hooks for a sash, please see photos but easily be converted to traditional buckle. 
 
Weight approximately 46 grams