2012 United States Mint Set. The 2012 United States Mint Uncirculated Coin Set contains two folders of 14 coins each, one with coins from the United States States Mint at Denver and the other with coins from the United States Mint at Philadelphia, for a total of 28 coins. This set includes (5) Quarters from the America the Beautiful Quarters Program Saluting El Yunque National Forest in Puerto Rico, Chaco Culture National Historical Park in New Mexico, Acadia National Park in Maine, Hawai’i Volcanoes National Park in Hawaii, and Denali National Park and Preserve in Alaska), (4) Presidential $1 Coins Honoring Presidents Chester Arthur, Grover Cleveland (1st term), Benjamin Harrison, and Grover Cleveland (2nd term), (1) Native American $1 Coin Reverse features a Native American and horse in profile with horses running in the background, representing the historical spread of the horse and reflecting the theme of "Trade Routes in the 17th Century", (1) Kennedy half-dollar, (1) Roosevelt dime, (1) Jefferson five-cent coin, and (1) Lincoln cent. Very low mintage set.