Arizona's Bisbee Mine, depleted and closed in 1975, produced some of the most highly sought turquoise in North America. In this gently tapered, vintage sterling silver cuff, five Bisbee turquoise show off their hallmark sky blues and distinctive chocolate matrix. One of a kind. USA. Approx. 1/2" tapers to 1/8"W. 2-1/4" dia.