This 1968 S US Mint Proof Set is a must-have for any coin collector. The set includes an uncirculated small cent made of copper, struck with proof quality at the San Francisco mint in the United States. The set has not been modified and comes with the original government packaging (OGP). The set is ungraded, but it has been certified by the U.S. Mint, ensuring its authenticity. This is a great addition to any coin collection.