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Two Different Black Hawk, Colorado Assay Memorandums [148285]

Currency:USD Category:Collectibles / Mining Start Price:50.00 USD Estimated At:100.00 - 300.00 USD
Two Different Black Hawk, Colorado Assay Memorandums [148285]
SOLD
60.00USD+ (15.00) buyer's premium + applicable fees & taxes.
This item SOLD at 2022 Oct 14 @ 11:32UTC-7 : PDT/MST
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Lot of 2 different. 1) Boston & Colorado Smelting Company. Dateline Black Hawk, June 26th, 1871. Assay for H. Fuller showed 25.7 ounces of silver and 1.4 ounces of gold. 4.25 x 10.75" 2) The Moore Mining & Smelting Company, Valley Smelting Works. Dateline Black Hawk, Feb. 19, 1881. Five assays of silver ore for the Toronto Mine. 4 x 9.5"

Date: 1871-1881
Country (if not USA):
State: Colorado
City: Black Hawk
Provenance: Gary Bracken Collection