Minted during World War II, the Jefferson Wartime Silver Nickel is composed of 35% Silver, 9% Manganese and 56% copper, and rests securely against the embellished wood grain handle of this handsome pocket knife. An exclusive design of American Coin Treasures, this extraordinary pocket knife features a 2 7 ⁄ 8 in. stainless steel blade and includes a Certificate of Authenticity.