It has a 22mm by 18mm turquoise stone. Inside measures about 7 inches with an approximately 1 and 5/8ths gap. Common for older Native American pieces to be unsigned. Acid tests as Sterling Silver. At its longest point where the stone sits, it measures 1 inch long.It has a nice layer of patina due to age. This item is in the category "Jewelry & Watches\Ethnic, Regional & Tribal\Bracelets & Charms". The seller is "silvergoldjewelryshop" and is located in this country: US. This item can be shipped to United States.