Collectible coins are often categorized based on their type, rarity, age, and historical significance. The United States offers various collectible coins, including the Jefferson Nickel, which was minted starting in 1938. Specifically, the 1985 San Francisco Jefferson Nickel is part of the proof coin series produced for collectors, featuring high-quality finishes and often sold in sets. The Five Cents Nickel includes pieces from different years and mint marks, while the Half Dime refers to older denominations that date back to the early minting practices before the introduction of the nickel. Collectors often seek these coins for their historical context, aesthetic appeal, and potential investment value.

Item Denomination Series Year Mint
1985-S (San Francisco) Jefferson Nickels 5¢ (Five Cents, Nickel, Half Dime) Jefferson Nickels 1985 San Francisco