2016 United States Mint Silver Proof Set 13 coins. The 2016-S United States Mint Silver Proof Set contains 13 coins in stunning proof quality displayed in three protective lenses. Each of these 2016-dated coins bears the "S" mint mark of the United States Mint at San Francisco. The quarters, half dollar and dime are struck in 90% silver, generally referred to as "coin silver." The coins included in this set are: (5) Proof Quarters from the America the Beautiful Quarters Program saluting Shawnee National Forest Quarter, Cumberland Gap National Historical Park Quarter, Harpers Ferry National Historical Park Quarter, Theodore Roosevelt National Park Quarter, Fort Moultrie (Fort Sumter National Monument) Quarter. (3) Presidential $1 Coins honoring Presidents Richard M. Nixon, Gerald Ford, and Ronald Reagan. (1) Proof Native American $1 Coin, the obverse retains the Sacagawea design first produced in 2000 and the reverse design features the Code Walkers of WW1 and WW2. (1) Silver Proof Kennedy half-dollar. (1) Silver Proof Roosevelt dime. (1) Proof Jefferson five-cent coin. (1) Proof Lincoln Shield cent. This brand new set comes complete in its original US Mint packaging including the Certificate of Authenticity.