Collectible coins are items valued for their historical significance, rarity, and aesthetic appeal among numismatists. The United States has issued various types of coins, including the iconic One Dollar coins, which have featured different designs over the years. The Coronet Head Cent, minted from 1816 to 1857, includes an 1827 issue produced in Philadelphia, notable for its intricate design and representation of Lady Liberty. Collectors seek these coins for their numismatic qualities, which may include factors such as condition, mint marks, and historical context.