Click to expand Tap to zoom 2010 U.S. Mint ATB National Parks Quarters Silver Proof Set NO BOX NO COA $38.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 2010-S U.S. Mint ATB National Parks Quarters Silver Proof Set. Coins ONLY -- NO BOX or COA included.