The 2011 United States Mint Silver Proof Set includes 14 coins in total, with five of them being the 2011 America the Beautiful Quarters. These quarters feature designs representing Gettysburg National Military Park in Pennsylvania, Glacier National Park in Montana, Olympic National Park in Washington, Vicksburg National Military Park in Mississippi, and Chickasaw National Recreation Area in Oklahoma. The set also includes the four 2011 Presidential $1 Coins, featuring Presidents Andrew Johnson, Ulysses S. Grant, Rutherford B. Hayes, and James A. Garfield. In addition, the set includes the 2011 Native American $1 Coin, honoring the Wampanoag Treaty of 1621, and the 2011 Kennedy half-dollar. All of the coins in the set are struck in 90% silver, making this set a popular choice for coin collectors and investors alike. The set comes in a protective plastic case and includes a certificate of authenticity from the United States Mint.