This product is a 1971 , 72, 73, 74&75 Proof Set of 5 coins from San Francisco, USA, each in its original mint box. The coins are uncirculated, composed of copper, and struck in proof quality. They are authenticated by the U.S. Mint and originate from the United and includes multiple years of issue. Ideal for collectors looking for original and high-quality coins from the San Francisco Mint.