Group of 2 United States Mint Proof Sets 2004-2005 22 coins.. Group of 2 United States Proof Sets 2004-2005 22 coins. Each Set contains 11 coins, Sacagawea Dollar, Kennedy Half Dollar, Roosevelt Dime, Jefferson Nickel, and Lincoln Cent. The Proof Set new coins inctroduce in 2004 set were the first two design of the Westward Journey Nickels series, featuring the Peace Medal and Keelboat. Along side the State Quarters honoring Michigan, Florida, Texas, Iowa, Wisconsin, California, Minnesota, Oregon, Kansas, and West Virginia. The Statue of Liberty appears with the United States Mint logo on the outer cardboard box. Inside, the proof coins are placed in two separate lenses, along with the certificate of authenticity.