The 1971 United States Coin Set (Birthday Set) is a collection of 5 coins with denominations of 50 cents, 25 cents, 10 cents, 5 cents, and 1 cent. Each coin is composed of clad material and was struck in a business setting at the Denver and Philadelphia mints. This set, issued by the U.S. Mint, is a piece of American numismatic history from the year 1971. Perfect for collectors or those celebrating a birthday with a piece of United States currency.