This 1992 US Mint proof set includes five coins with a total composition of .50, .25, .10, .05, and .01 denominations. The coins are made of 90% silver and were struck at the San Francisco Mint. The set includes the original box and certificate of authenticity from the US Mint. The coins are in uncirculated condition and have not been graded. This set is a great addition to any collection and a perfect gift for any coin enthusiast.