Vintage old pawn sterling silver, pre-1970s so is not stamped 925 as was typical. Tests as sterling, 925. Navajo made with a single band silver cuff which is 1/2" wide and stamped with leaves. Three turquoise stones of different mines/different coloring are at center and ringed in silver dots. Cuff measures 2.25" wide currently but is adjustable to fit any wrist if you bend the metal.
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