Collectible coins, such as the Three Pence (3p), represent a significant part of numismatic history. The three pence coin has been issued in various forms by different countries over the years, including the United States in the early post-Declaration era around 1790. Many collectibles often derive value from their historical context, rarity, condition, and demand among collectors. The term "unknown" may indicate uncertainty about the specific coin's origin or minting details, which can affect its market value and collector interest.

Item Denomination Series Year Mint
1790-- (Unknown) Early - Post-Declaration 3p (Three Pence) Early - Post-Declaration 1790 Unknown