2012 United States Mint America the Beautiful Quarters Proof Set Q5C....Set comes in the original box with COA. More info on the set is below the text and images are from the usmint.gov website.

"The 2012 edition of the United States Mint America the Beautiful Quarters Proof Set features the five 2012 releases in the America the Beautiful Quarters® Program. In 2012, the sites being featured are 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. Each of the five quarters bears the “S” mint mark of the United States Mint at San Francisco."