2021 Silver Proof Set U. S Mint Original Government Packaging OGP COA. This official 2021 U. Mint 7 coin Silver Proof Set contains a Native American dollar, Kennedy half dollar, Roosevelt dime, Jefferson nickel and Lincoln cent, along with the final National Park quarter honoring the Tuskegee Airmen National Historic Site in Alabama, and the General George Washington Crossing the Delaware Quarter. All coins bear the San Francisco “S” mint mark, and feature extra sharp images and mirror-like surfaces. The half dollar, quarters and dime are all 99.9% silver. Comes with the original U. Mint packaging, including a certificate of authenticity. The images used for this listing are stock photos from our inventory. Mint Silver Proof Set.