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Colorado Assay Ephemera

Currency:USD Category:Collectibles / Mining Start Price:75.00 USD Estimated At:150.00 - 300.00 USD
Colorado Assay Ephemera
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Lot of 3. 1) Booklet. Commercial Ores: From Mine to Money. 1907. Issued by E.P. Welch, President of the Colorado Assaying and Refining Co., Denver, Colorado. 30pp. Heavy toning. Somewhat brittle. 5.5 x 4.5" Describes different minerals and metals and the tests that are done for them. Interesting! 2) Mailed cover (1900) for the Aurum Assay Office, Box 72, Denver, Colorado to W.S. Wright, Esq. at the Palace Hotel in Antonito, Colorado. Antonito cancel on reverse. Soiling. 3) Billhead for Von Schulz & Low, Chemists and Assayers, Denver, 1910. Billed to the Goldfield Cons. Mining Co. in Goldfield, Nevada. (Al Adams Gold Rush Memorabilia Collection) Date: 1900-1910 Location: Colorado HWAC# 57662