This is a special edition 2010 United States Mint Silver Proof Set Box and Certificate of Authenticity. The set includes five 1oz. .999 fine silver coins with a denomination of $1, $5, $10, $25, and $50. The coins are uncirculated and struck in proof quality. The set comes with a Certificate of Authenticity to guarantee the coins' purity and authenticity. The coins were minted in San Francisco, United States, and have not been graded. This is a perfect addition to any coin collector's collection.