Collectible coins, specifically within the category of U.S. coins, include types such as the nickel and half dime. The Jefferson nickel, introduced in 1938, features a portrait of Thomas Jefferson and is produced in multiple mint locations, including Denver. The 2011 Jefferson nickel from the Denver mint is part of a long-standing series that attracts collectors due to its historical significance and variations in minting. Additionally, the half dime, no longer in circulation, was one of the earliest U.S. coins made of silver and is sought after by numismatists for its rarity and historical context.

Item Denomination Series Year Mint
2011-D (Denver) Jefferson Nickels 5¢ (Five Cents, Nickel, Half Dime) Jefferson Nickels 2011 Denver