Silver Turquoise Unicorn Slave Cuff Bracelet Ring Sz 8

Navajo Silver Turquoise Unicorn Slave Cuff Bracelet Ring Sz 8. Is tarnished, but not scratched or chipped. Was polished with jeweler cloth. Chain link length from cuff to ring is 4.54" Rings is Sz 8. Cuff across the inside diameter is 2.38" Has slight flexibility to it. The metal is not marked silver, however it is slightly magnetic. Possible silver plated, no makers mark found.