2006-S Silver Proof Set – Complete 10-Coin Set with COA – 1.338 troy oz silver. Up for sale is a 2006-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. Note: The dime has. A mark that extends from the “N” in “In God” to the “L” in “Liberty”. See the final photo above for close up. The set includes 10 coins across two trays. Main Tray (5 coins). Lincoln Cent (Copper Plated Zinc). Jefferson Nickel – (Copper-Nickel). Roosevelt Dime (90% Silver). Kennedy Half Dollar (90% Silver). Sacagawea Dollar (Manganese-Brass Clad). State Quarters Tray (5 coins, all 90% Silver). Nevada – “The Silver State”. North Dakota – “Grazing Buffalo”. South Dakota – “Mount Rushmore”. 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 are a few scuffs on the trays that do not obscure a coin. Just ensure the item is in its original, unused condition and packaging.