Each silver quarter bears the S mint mark of the United States Mint at San Francisco. America the Beautiful SILVER Coin Specifications. Standard Weight = 5.670 g.
Standard Diameter = 0.955 in (24.26 mm). Thickness = 1.75 mm. A couple of the boxes have some corner bumps. The item "2010-2018 America the Beautiful Quarters Proof 90% SILVER ATB 5 Coin Set Box COA" is in sale since Monday, March 4, 2019. This item is in the category "Coins & Paper Money\Coins\ US\Quarters\America the Beautiful 2010-Now".The seller is "wintercoins" and is located in Lyons, New York. This item can be shipped worldwide.