The Massachusetts California Company was associated with the gold rush era, particularly in 1849, when many sought fortune in California. G5 coins, specifically the five-dollar denomination, were part of early American gold coinage reflecting the growing wealth and economic changes due to gold discoveries. These coins, often minted from gold sourced during the 1849 gold rush, are considered collectible due to their historical significance and rarity, appealing to numismatists and collectors of American history.

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