Collectible coins encompass a variety of numismatic items, including historical currency, rare editions, and commemorative coins. The United States has issued numerous collectible coins, such as the five-dollar gold pieces and the Coronet Head cents produced between 1816 and 1857. The 1825 Coronet Head cent is significant due to its design and rarity, representing an important era in American coinage history. Collectors often seek these coins for their aesthetic appeal, historical significance, and potential investment value.