The product is a set of 5 uncirculated proof coins from the United States Mint for the years 1970-1971. The coins include denominations of 1 cent, 5 cents, 10 cents, 25 cents, and 50 cents, all composed of copper. They were struck in San Francisco and come with certification from the U.S. Mint. These coins are ungraded and make for a valuable addition to any coin collection or a great gift for a coin enthusiast.