This 1971-S United States Proof Set is a rare find for any coin collector. The set includes multiple errors that make it stand out from other proof sets. The coins were minted in San Francisco U.S. Mint. The set is ungraded and includes uncirculated coins. This set also includes full steps on the nickle and penny. It is a great addition to any collection and is sure to impress. Don't miss your chance to own this unique piece of American coin history. The quarter and half dollar are the big sellers in this set. The quarter has Liberty touching the rim. On the back the leaf is touching the u, l and a.