Collectible coins, also known as numismatic coins, can encompass a wide range of categories, including historical pieces, commemorative issues, and circulated currency. The United States One Cent Penny, specifically the Coronet Head Cent minted from 1816 to 1857, features a design by Lady Liberty with flowing hair. Coins from this era, such as the 1830 Coronet Head Cent, are sought after by collectors for their historical significance and varying degrees of rarity, with factors such as condition, mint mark, and provenance affecting their value.