The product is a 2006 S U.S. Mint Complete Silver Proof Set, which includes coins with a proof finish made of silver. It comes with an Original Government Packaging (OGP) box and a Certificate of Authenticity (COA) from the U.S. Mint. This set features coins struck in proof quality, a process that results in a high level of detail and a mirror-like finish. The coins are from the United States and are guaranteed by the U.S. Mint's certification.