Collectible coins encompass a wide range of categories including historical, commemorative, and modern issues. The United States Mint produces various medals and coins, with significant pieces originating from different mint facilities, including the Philadelphia Mint established in 1792. The Julian reference pertains to a catalog system used by collectors to identify medals issued by the U.S. Mint, with the 1918 medals marking significant events such as World War I. Medals and coins from this era are sought after for their historical value and artistic merit.

Item Denomination Series Year Mint
1918 Jk-Ac-62 U.S. Assay Commission Ae Ms Other / Varied U.S. Mint Medals - Julian 1918 Philadelphia