Collectible coins include various categories, with notable examples being the modern commemoratives issued by the United States. The 50 Fifty Cents coins represent a specific denomination featuring designs that celebrate significant events or figures in American history. The 1991 modern commemorative coins were part of a broader series aimed at honoring various themes, contributing to the collection's popularity among numismatists and collectors interested in U.S. history and culture. Collectors often seek these coins for their artistic designs, limited mintage, and historical significance.

Item Denomination Series Year Mint
1991-D (Denver) Modern Commemoratives 50¢ (Fifty Cents) Modern Commemoratives 1991 Denver
1991-P (Philadelphia) Modern Commemoratives 50¢ (Fifty Cents) Modern Commemoratives 1991 Philadelphia
1991-P (Philadelphia) Modern Commemoratives 50¢ (Fifty Cents) Modern Commemoratives 1991 Philadelphia
1991-S (San Francisco) Modern Commemoratives 50¢ (Fifty Cents) Modern Commemoratives 1991 San Francisco