2012 Mint Proof Set In Original Case! 14 Coins Inside!. Each of the coins was struck in proof quality at the San Francisco Mint and carried the “S” mint mark. The full 2012 annual set included a total of fourteen coins across six denominations. Three series continued their programs featuring rotating designs, providing collectors with some variety. The America the Beautiful Quarters Program featured representations of El Yunque National Forest, Chaco Culture National Historical Park, Acadia National Park, Hawaii Volcanoes National Park, and Denali National Park. The Presidential Dollars Program featured portraits honoring Chester Arthur, Grover Cleveland for his first and second terms, and Benjamin Harrison. The Native American Dollar design portrayed the spread of the horse. The coins with static designs included the Lincoln Cent, Jefferson Nickel, Roosevelt Dime, and Kennedy Half Dollar. Packaging have the coins included in three separate lenses and placed with a certificate of authenticity in an outer cardboard box with blanks and brown design theme.