Group of 4, 1999-2002 Mint Proof Set In Original Case,39 coins. Group of 4 1999-2002. Each set contain a Lincoln Cent, a Jefferson Nickel, a Roosevelt Dime, a Kennedy Half Dollar and a Sacagawea Dollar with the exception of the 1999 set becasue the Sacagawea Dollar wasnt introduce till 2000. Along with 5 states coins in each set, starting with : Delaware, Pennsylvania, New Jersey, Georgia, Connecticut, Massachusetts, Maryland, South Carolina, New Hampshire, Virginia, New York, North Carolina, Rhode Island, Vermont, Kentucky, Tennessee, Ohio, Louisiana, Indiana, and Mississippi . All coins were struck at the San Francisco Mint and carry the “S” mint mark. The cent, nickel, dime, and half dollar were sealed in a single lens with a decorative blue insert. The five State Quarters were sealed in a separate plastic lens. The two lenses were packaged with a certificate of authenticity in a cardboard box with the Statue of Liberty featured prominently.