Collectible coins, particularly from the United States, include a variety of types such as Mint Sets, which are collections of uncirculated coins produced by the U.S. Mint. The 2017 Mint Set includes coins from the year 2017, showcasing various denominations, including the 1-cent coin (1c). These sets are popular among collectors for their quality and completeness, providing an opportunity to acquire pristine versions of circulating coins. Collectors often seek Mint Sets for their potential investment value and historical significance within American numismatics.