2020 P - 2021 P Mint BU National Parks Quarters - 6 coin Set All complete P Mint set of the 5 BU National Parks Quarters issued in 2020: National Park of American Samoa, Weir Farm National Historic Site in Connecticut, Salt River Bay National Historical Park and Ecological Preserve in the U.S. Virgin Islands, Marsh-Billings-Rockefeller National Historical Park in Vermont, and Tallgrass Prairie National Preserve in Kansas. NOW INCLUDING THE 2021 TUSKEGEE AIRMEN COINS The Five Quarters are from the Philadelphia Mint (P mint mark).