Collectible coins, particularly those from the United States Mint, include a variety of types such as commemorative coins, proof sets, and mint medals. The Julian calendar, often referenced for historical context, relates to specific mintage years like 1883 when certain coins were produced. Philadelphia is notable as the original location of the U.S. Mint, where many significant coinage and medals have been struck. U.S. Mint medals are often produced for special occasions or achievements and can vary in design and metal composition, adding to their collectibility.

Item Denomination Series Year Mint
1883 Jk-Ac-26 U.S. Assay Commission Ar Ms Other / Varied U.S. Mint Medals - Julian 1883 Philadelphia