Five Tibetan Silver Rings With Beautiful Center Stones. Adjustable Ring Size. Estimated more than 50 yrs old. Tibetan silver is used primarily in jewelry components, and is similar to pewter - an alloy of copper, and sometimes tin or nickel, with a small percentage of pure silver. Its overall appearance is of aged silver, but it can be polished to provide highlights on complex castings. For Size And Weight See The Last Photo If Not Written In This Description. All Photos Represent The Lot Condition. Please Read Our Terms And Conditions.