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Very Rare California Assay Office Ore Memorandum, 1871, Possibly for Comstock Silver

Currency:USD Category:Collectibles / Mining Start Price:150.00 USD Estimated At:300.00 - 600.00 USD
Very Rare California Assay Office Ore Memorandum, 1871, Possibly for Comstock Silver
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150.00USDto p********n+ buyer's premium (37.50)
This item SOLD at 2018 Mar 16 @ 10:31UTC-7 : PDT/MST
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This is the rare form for this San Francisco assay office. California Assay Office, No. 512 California Street, J.A. Mars, Assayer (R.H. Lawrence crossed out). Dated Nov. 21, 1871. Memorandum of Assay of "Sample of Ore" No. 1 deposited by W.H. Patterson, Esq. Assayed for silver and gold, but the sample contained only silver, 163.33 ozs per ton. Signed by J.A. Mars. 9.75 x 7.75" Folds. Where was this ore from? W.H. Patterson was a lawyer in the firm Patterson & Stow, 513 Jackson St. according to the 1871 SF directory. W.W. Stow, his partner and brother-in-law, was a very prominent railroad lawyer. According to the Annual Mining Review & Stock Ledger (1876), Patterson was at one time a trustee for the Mariposa Land & Mining Co. and both president and trustee for the Leviathan Mine in Gold Hill, Nevada. The fact that this ore sample is high-grade silver would point to a Nevada source. Therefore, it is possible this assay was for a Comstock Lode sample, perhaps even from the Leviathan. The Leviathan was staked in 1863 on the East Ledge, 1,000 feet in front and parallel to the Comstock Lode, opposite the Belcher and Crown Point Mines. The East Ledge (and this mine) were actively developed in 1874 when the mine was taken over by a San Francisco corporation. Perhaps Patterson was testing samples of a property he would later run? (Al Adams Gold Rush Memorabilia Collection) Date: Location: San Francisco, California HWAC# 57668