APMEX offers a superb selection of U.S. Proof sets, ranging from 1936 to 1964. Proof sets are a popular choice for any coin enthusiast. Easy to find and typically affordable, our vast collection of Proof sets dates back to the 1930s and includes most years to date. We frequently carry some hard to find back-dated Proof sets to complete your collection. All of our Proof sets come in their original packaging and have always been a favorite with collectors because of their high quality and beauty.