2014 United States Proof Set. The 2014-S United States Mint Proof Set contains 14 coins in stunning proof condition displayed in three protective lenses. Each of these 2014-dated coins bears the “S” mint mark of the United States Mint at San Francisco.The coins included in this set are:* (5) quarters from the America the Beautiful Quarters Program saluting Great Smoky Mountains National Park in Tennessee, Shenandoah National Park in Virginia, Arches National Park in Utah, Great Sand Dunes National Park in Colorado and Everglades National Park in Florida* (4) Presidential $1 Coins honoring Presidents Warren G. Harding, Calvin Coolidge, Herbert Hoover and Franklin D. Roosevelt* (1) Native American $1 Coin with the reverse featuring a Native American man offering a pipe, while his wife offers provisions of fish, corn, roots and gourds.* (1) Kennedy half-dollar* (1) Roosevelt dime* (1) Jefferson five-cent coin* (1) Lincoln centThis brand new set comes complete in its original US Mint packaging including the Certificate of Authenticity.