The product is a set of 10 United States Mint proof sets ranging from 1984 to 1993, all in mint packaging and accompanied by a Certificate of Authenticity. Each set includes a half dollar, quarter, dime, nickel, and cent denomination coins struck in proof quality at the San Francisco Mint. These proof sets are highly sought after by collectors and offer a pristine representation of the coins produced by the U.S. Mint during this 10-year period.