This 1999 Silver Proof Set comes in its Original Government Packaging Box and includes a Certificate of Authenticity. The set includes a variety of coins including a Kennedy half dollar, a dime, a nickel, and a penny, all in uncirculated condition. These coins are made of silver and were struck using the proof method of manufacture at the San Francisco Mint. The set is certified by the U.S. Mint and is a great addition to any coin collection.