Collectible coins encompass a wide range of categories, including historical, commemorative, and bullion coins. The Seated Liberty Half Dollar, minted from 1839 to 1891, features a depiction of Liberty seated and is notable among U.S. coinage. The 1845 Seated Liberty Half Dollar is particularly significant for its historical context and rarity. Collectors often assess value based on factors such as mintmark, condition, and market demand.