"June Americana Jamboree" Timed Auction (2025 June)

1892 Granite Mountain Mining indemnity release of all claims due to" accidental explosion of some powder in face of a guest?, blowing a piece o...

August 6th, 1889 Certificate of Assay of The Montana Smelting Company for E. J. Carter, Esquire of Helena Montana, signed by Robert M. Raymond assayer

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

1915 Svenska Tribune and 1915 Germania, both sent to miners at Southern Cross Mine near Deer Creek, MT. Envelopes shows mine address. Folded. ^ Date:

Lot of 6. Includes: 1898 Hecla Cons. MC billehad; 1889 framed Hecla receipt, Glendale; framed Hoyt Metal Co. receipt to Hecla CMC, 1892; framed Omaha

2x 1930 Butte checks, Old Settlers 11th annual reunion ribbon, 2x Gallatin Valley Milling price lists, 2x East Pacific Mining reports, MacDonald'...

12 assorted steel, welding and tool catalogs, all from the files of Anaconda Copper. ^ Date: Country(if not USA): State: Montana City: Provenan

Blue print maps-2x Speculator plus 1 unidentified, near Butte-several tears and stains,1925 small Lamonta, Poser Shaft, drill bit extractor and top s

For mineral collectors: Two large jacket patches, nine inches in diameter. Blue ink on yellow background. Montana Council / of / The Land of Shining M

This 1867 assay receipt is from the office of David Lundbom dating February 9, 1867; his office was based in Austin, Nevada. This is the assay receipt