Collectible coins include various types such as coins, tokens, and commemoratives. United States fifty-cent coins, commonly referred to as half dollars, have been issued in various designs since their introduction. Hard Times Tokens emerged during the economic crises of the 1830s and 1840s, often used in lieu of official currency. Rulau refers to a cataloging system for these tokens, with "Rulau 1867" designating a specific type that reflects the era's economic sentiments. Collectors often seek these items for their historical significance and numismatic value.