With the production of millions of coins each year, it is natural that a few abnormal pieces escape inspection and are inadvertently released for circulation. Nearly every misstruck or error coin is unique and they are highly sought after by collectors. In late 2002, the United States mint changed its minting process to eliminate error coins becoming circulated. Because of this few post-2002 error coins exist. Error coins are valued by their rarity. We offer a range of unique coins.