Collectible coins, often referred to as numismatic coins, encompass a wide range of types, including historical coins, commemorative coins, and bullion coins. The Gay Nineties category typically refers to coins or collectibles from the 1890s, an era marked by economic prosperity and innovation in the United States. Rulau is a reference to official catalogs and guides used to identify and value coins. The year 1904 is significant in numismatics, as various coins were minted during that year, which may hold numismatic value based on rarity and condition. Additionally, collectibles can include items with unknown origins or limited information, adding to their intrigue and potential value among collectors.

Item Denomination Series Year Mint
1904 Boston R-Bos-15 Ma Ms Other / Varied Gay Nineties - Rulau 1904 Unknown