Collectible coins, often referred to as numismatic coins, encompass a wide range of types, including commemorative, historical, and thematic coins. The "Gay Nineties" refers to the decade of the 1890s in the United States, noted for its cultural and social dynamism. The Rulau classification system is used to catalog various collectible tokens and medallions from different periods, including the Gay Nineties. Coins from 1890, which can include commemorative pieces or tokens, may feature designs reflective of the era's artistic and cultural trends. Unknown pieces from this time may lack documented provenance or specific identification, increasing their intrigue among collectors.

Item Denomination Series Year Mint
(1890) Boston R-Bos-8 Ma Ms Other / Varied Gay Nineties - Rulau 1890 Unknown