These US Mint 1999 S, 2000. 2001 Silver Proof Sets arevthe perfect addition to any coin collector’s collection. The set includes all the necessary coins to complete the set, and comes with the original box and Certificate of Authenticity. The coins were minted in San Francisco, United States, and have a fineness of 0.9. The set features a proof strike type, and is composed of silver. The denomination of the set is complete, and it has been certified by the U. Don’t miss out on this opportunity to add a beautiful and complete set to your collection.