Collectible coins encompass various types and categories, including those that are historical, commemorative, and issued in limited quantities. In the United States, notable examples include the Franklin Half Dollar, minted from 1948 to 1963, with the 1956 coin being a popular collectible. The "One Dollar" coin has several variations, including the iconic Eisenhower and Susan B. Anthony dollars. Collectors seek these coins for their numismatic value, rarity, and historical significance.