United States Proof Sets
United States Proof Sets issued between 1936-1972 include the cent, nickel, dime, quarter and half dollar. The dollar was added from 1973-1981 and then removed from the sets in 1982. The Sacagawea golden dollar is included in 2000-2003 (10-coin) proof sets. The Mint has also added two commemorative nickels in 2004-2005. The 2007 set includes 14 coins, in addition to four new Presidential $1 coins, it contains all five quarters, the Lincoln cent, the Jefferson nickel, the Roosevelt dime, the Kennedy half-dollar, and the Golden Dollar featuring Sacagawea.