The collectible coin in question is a G 5, issued by the Massachusetts California Company in 1849. This type of coin, often referred to as a "California gold dust" piece, was struck during the Gold Rush era when gold was discovered in California, prompting various private companies to mint their own currency. The Northampton, Massachusetts, location indicates the point of issue for this specific coin, reflecting the intersection of regional economic interests and the broader gold rush phenomenon in the United States. Collectors value such coins for their historical significance and rarity.

Item Denomination Series Year Mint
1849 G$5 Mass & Cal, 16 Berry Rev. K-1 G$5 Massachusetts & California Company 1849 Northhampton, Massachussetts