"Fall Frontier Fortunes" Numismatics & Americana Timed Auction (2025 September)

No. 197 issued in 1872 to M. Herman for $50. Signed by the supt. RN-C imprinted revenue. The Owyhee Mining Company (previously the New York Gold and S

Lot of 4. 1) Little Eight Mile Mining Dist., Lemhi Co., Idaho, 1930. 20 x 14" 2) Mullan & Vicinity, Shoshone Co., Idaho, 1939. 7.5 minute s...

c. 1900 Homestake MC of Thunder Mt. prospectus. 1902 Thunder Mt. Gold District map. Fabulous Coeur d'Alene Mining District by Ojala 1972. 1926 C...

A copy of "Economic Appraisal & Evaluation of the Thorium Deposits in the Lemhi Pass Area of Idaho and Montana", a booklet published c...

Rare assay report from MIT for A(lexander) Agassiz, son of famous 19th century geologist Louis Agassiz. This assay was for a sample of gravel weighing

Lot of 13. Includes: 1874 Iron Cliffs Company pictorial check; three different stereoviews of copper ingots; five different postcards incl. one RPPC;

7 c. 1961 Anaconda Copper equipment mechanical drawings. 4x Copper concentrator, 2x Vacseal pump. ^ Date: Country (if not USA): State: Montana C

Rare! Established in 1862. Here are two assay reports about values of a 13.31-ounce gold bar and a 90.99-ounce gold bar. Both were supplied by J. C. R

2 2x4" Helena brass plaques. Caird Engineering Works and Kroll Electric Amalgamator. Nice condition. ^ Date: Country (if not USA): State: ...

1871 Placer gold claim plat in Kelly's mining district. Hand drawn on cloth. Scale 20 chains to 1". Upper water stains with some red ink bl...