Large Sterling Silver Native American Navajo Indian Royston Turquoise Ring Size 8 & 7/8 Signed Robert Shakey. The item "Large Native American Sterling Silver Navajo Royston Turquoise Ring Size 8 & 7/8" is in sale since Friday, July 10, 2020. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Native American\Rings". The seller is "turquoisesun" and is located in Houston, Texas. This item can be shipped to United States.