Collectible coins encompass various categories, including numismatic coins, bullion coins, and commemorative coins, among others. In the United States, collectible coins can feature historical figures, significant events, or unique designs and often come with value based on their rarity, age, condition, and demand among collectors. Medallic Art Medals, such as those produced in 1954, represent a specific category of collectible items that may feature artistic designs and are often collected for their aesthetic value as well as potential investment. The term "Unknown" can refer to coins or medals whose provenance, creator, or minting details are not documented or widely recognized.

Item Denomination Series Year Mint
1954-Dated Bronze Uss Nautilus Christening 39mm Ms Other / Varied Medallic Art Medals 1954 Unknown