U.S. Proof Sets and Mint Sets are one of the most prized collectables in the U.S.A. These coins are not available for circulation, and every year the U.S. Mint puts out these specially made high quality coins specifically for Collectors and Investors. We stock collectable coin Proof and Mint Sets of only the finest quality for your collection. Our supplier rejects thousands of sets each year that do not meet our high collectable coin standards. Your satisfaction is always guaranteed!