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13 troy ounce Kellogg & Humbert gold ingot, expected to sell for $80,000-$100,000. The gold bar, stamped “Kellogg &” and “Humbert”, was valued at just $236.82 in 1857 dollars. 1852 US Assay Office $50 ...
"The California Gold Rush: Getting there, Mining, Contemporary stories and accounts, Private coiners and assayers, San Francisco Mint -- Treasure of the S.S. Central America: Saga at sea of the ...
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