Collectible coins, often referred to as numismatic items, can include various types such as commemoratives, bullion, and error coins. In the context of U.S. coins, the 1861 coins produced by the J.J. Conway Co. represent a unique historical period, as the Civil War profoundly influenced coinage. The "G 5" could refer to a specific grading designation within the numismatic community, indicating the coin's condition, which is crucial for collectors and investors. Collectible coins from the United States often have significant value due to their rarity, historical context, and demand in the market.

Item Denomination Series Year Mint
(1861) G$5 J.J. Conway & Co. K-2 G$5 J.J. Conway & Co. 1861 Georgia Gulch, Colorado