2005-S Silver Proof Set – Complete 11 Coin Set with COA – 1.338 troy oz silver. Up for sale is a 2005-S Silver Proof Set, produced and packaged at the United States Mint in San Francisco, California. Each coin bears the “S” mint mark. This set contains 1.338 troy ounces of. The set includes 11 coins across two trays. Main Tray (6 coins). Lincoln Cent (Copper Plated Zinc). Jefferson Nickel – “American Bison” (Copper-Nickel). Jefferson Nickel – “Ocean in View” (Copper-Nickel). Roosevelt Dime (90% Silver). Kennedy Half Dollar (90% Silver). Sacagawea Dollar (Manganese-Brass Clad). State Quarters Tray (5 coins, all 90% Silver). California – “John Muir/Yosemite Valley”. Minnesota – “Land of 10,000 Lakes”. Oregon – “Crater Lake”. Kansas – “Buffalo and Sunflower”. West Virginia – “New River Gorge”. Included with this set. Mint box is in a “lightly-used” condition and may have signs of wear. Plastic trays are in good condition, there is one scuff on the main tray that does not obscure a coin. Just ensure the item is in its original, unused condition and packaging.