We are pleased to offer for sale this 2011 U.S. Mint Silver America the Beautiful National Park Quarters Proof Set. This 2011 Silver Quarter Proof Set includes all 5 Silver Proof America the Beautiful National Park Quarters: Pennsylvania Gettysburg, Montana Glacier, Washington Olympic, Mississippi Vicksburg, and Oklahoma Chickasaw struck at the San Francisco Mint in 2011. These quarters are struck in 90% silver. All of our Proof Sets contain coins with nice eye appeal and no visible problems. These 2011 Silver Quarter Proof Sets come in the original boxes with COA from the US Mint.