Collectible coins encompass a variety of types, including historical pieces, bullion, and commemorative issues. In the context of United States coinage, the 1/2 penny was used in pre-1776 American colonies, with notable pieces minted in places like Philadelphia. The 1773 dated coins represent a time before American independence, serving as a link to colonial history and the early stages of American numismatics. Collectors often seek these items for their historical significance, rarity, and condition.