The 2020 United States Mint Silver Proof Set® contains 10 proof coins, each bearing the “S” mint mark of the United States Mint at San Francisco. The quarters, dime, and half dollar are struck in 99.9 percent silver. The set is accompanied by a Certificate of Authenticity. The 2020 United States Mint Silver Proof Set features 10 proof coins encased in two clear plastic lenses in a beautifully designed package you’ll be proud to display. The 2020 Silver Proof Set is a great addition to any collection. The 2020 United States Mint Silver Proof Set includes the following coins. The 11th annual release of five silver quarters in the America the Beautiful Quarters® Program honoring. National Park of American Samoa (AS). Weir Farm National Historic Site (CT). Salt River Bay National Historical Park and Ecological Preserve (VI). Marsh-Billings-Rockefeller National Historical Park (VT). Tallgrass Prairie National Preserve (KS). The foreground features a symbol of the Tlingit Raven moiety, of which she was a member. The obverse design (heads) retains the central figure of Sacagawea carrying her infant son, Jean Baptiste. Inscriptions are “LIBERTY” and IN GOD WE TRUST. One silver Kennedy half dollar. One silver Roosevelt dime. The Set is accompanied by a Certificate of Authenticity.