2012 United States Mint America the Beautiful Quarters Silver Proof Set does NOT comes in the original box or with the COA. More info on the set is below the text and images are from the usmint.gov website.

"With each coin struck in lustrous 90 percent silver, also known as “coin silver,” the 2012 edition of the United States Mint America the Beautiful Quarters Proof Set features the third release of five quarters 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 quarter bears the “S” mint mark of the United States Mint at San Francisco."