Collectible coins are often categorized by various factors including their historical significance, rarity, condition, and demand among collectors. The United States has a rich history of coinage, with various denominations, such as the Ten Dollars, featuring different designs over time. The Coronet Head cent, produced primarily in the 19th century, includes coins minted in 1818 at the Philadelphia Mint. These coins are notable for their aesthetic details and are sought after by numismatists.