Stunning piece, one of a kind, Sterling Silver .925(tested) & 2 Royston Turquoise Stones. Unmarked/unsigned which is typical in the older Native American Jewelry. Buckle is 4.48 troy oz. Measures 4" X 3" wide, Buffalo head depth approx 1" high from buckle, Lots of detail on Buffalo head, Head measures approx 2-1/4"L x 1-3/4" wide.Each stone measures approx 1-1/8"L x 1" wide and 1/2" thick. There are old Native American symbols throughout front of buckle. Arrows accentuating the buffalo head. It has been hand polished but if you prefer more shine it can be done.