The G 50 Kellogg & Co. is a notable collectible coin from the United States, minted in 1855. These coins were produced by Kellogg & Co., a prominent California minting firm during the Gold Rush era. Featuring a distinctive design, these coins often attract collectors due to their historical significance and rarity, especially in high-grade conditions. The G 50 denomination typically refers to a gold coin valued at fifty dollars, making it a significant piece for both numismatic and investment purposes.

Item Denomination Series Year Mint
1855 G$50 Kellogg & Co. Commemorative Restrike G$50 Kellogg & Co. 1855 San Francisco
1855 G$50 Kellogg & Co. K-4 G$50 Kellogg & Co. 1855 San Francisco