TThe 2011-S Proof Set is a collection of United States coins produced by the U.S. Mint. This set includes 14 coins, all struck in proof quality, with a mirror-like finish and sharp detail. It features coins from the year 2011, including the Lincoln cent, Jefferson nickel, Roosevelt dime, quarter from the America the Beautiful series, and the Kennedy half dollar. Additionally, the set includes the Native American $1 coin, and the Presidential $1 coins for the year. All coins in this set are minted at the San Francisco Mint (denoted by the "S" mintmark). The set is a popular choice for collectors due to its high-quality finish and representation of key American coinage.