Sterling Silver Fossil Walrus Ivory Ring Size 5.5Material: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 1 genuine fossil walrus ivory Ring Face Dimension: 1. 15 x 1. 0 x 0. 6 inches Weight: 22. 6 grams Ring Size (US): 5. 5 Stamp Mark: 925 Serial Number: r28403 Fossilized walrus ivory is excavated and collected by Eskimos along the coast of the Bering Sea. It is between 500 and 3000 years old. Fossilized walrus ivory is excavated and collected by Eskimos along the coast of