The official United States Mint Proof Set® for 2005. In addition to proof versions of the Lincoln cent, the Roosevelt dime, the Kennedy half-dollar, and the Golden Dollar featuring Sacagawea, this year's set features two new coins in the Westward Journey Nickel Series™, honoring the bicentennials of the Louisiana Purchase and the Lewis and Clark expedition. The set also includes the latest states honored in the 50 State Quarters® Program - California, Minnesota, Oregon, Kansas and West Virginia. The set comes with US Mint COA.