The 2013 United States Proof Set includes a total of 14 different coins. The 2013 Proof Set includes the five America the Beautiful Quarters. This series will feature one National Park or Site in each of the 50 States, the District of Columbia, and the U.S. Territories. The places featured on the 2013 coins will include White Mountain National Forest in New Hampshire, Perry's Victory and International Peace Memorial in Ohio, Great Basin National Park in Nevada, Fort McHenry National Monument and Historic Shrine in Maryland, and Mount Rushmore National Memorial in South Dakota. Other highlights of the set include the increasingly rare 2013 Presidential Dollars, including William McKinley, Theodore Roosevelt, William Howard Taft, and Woodrow Wilson. All coins included in the set are produced at the San Francisco Mint and carry the "S" mint mark. These proof coins are struck with sharp detail and display mirrored backgrounds and frosted raised elements for a cameo contrast. The annual proof set has become a collector favorite and a popular method of obtaining examples of each year's coins.