Referred to as "King of the Territorials," the 1855 $50 Kellogg Restrike is an impressive 2.5 ounces of California Gold Rush gold. (2.41 oz of total gold content) In 2001, under the direction of the California Historical Society, authorization was granted to re-produce reproduce 5,000 1855 $50 Kellogg Restrikes in Proof. Not only are these coins exact in size and appearance as the originals, what else makes these coins so special is that every coin is 100% made from actual Kellogg & Humbert Co. Gold Ingots recovered from the S.S. Central America.