Collectible coins encompass a variety of types, including historical, commemorative, and bullion coins. The United States' 50-cent pieces, specifically the Kennedy Half Dollar, were first issued in 1964 and commemorate President John F. Kennedy. The 1990 Kennedy Half Dollar was minted in Denver and is part of the series that remains popular among collectors due to its design and association with American history. Collectors seek these coins based on factors such as rarity, condition, and historical significance.

Item Denomination Series Year Mint
1990-D (Denver) Kennedy Half Dollars 50¢ (Fifty Cents) Kennedy Half Dollars 1990 Denver