Collectible coins encompass various types, including the United States nickel, which is valued for its history and design. The Jefferson nickel, minted since 1938, features Thomas Jefferson on the obverse and Monticello on the reverse. Specifically, the 1981 Denver mint issue is part of a larger series that has seen different designs and compositions over the years. The five cents nickel, also known historically as the half dime, has evolved in its significance and appeal among numismatists. Coins from Denver are distinguished by the "D" mintmark. Collectors often seek specific dates, mint locations, and conditions to enhance their collections.

Item Denomination Series Year Mint
1981-D (Denver) Jefferson Nickels 5¢ (Five Cents, Nickel, Half Dime) Jefferson Nickels 1981 Denver