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Ultra-Rare Two-Sided Calumet & Hecla / TamarackMining Co. Heavy Copper Tag
Inscription Front: NORTH END / NORTH HAY BARN
Inscription Reverse: NO FIVE TAM / TOOL SHED (Stampedinverted/upside-down)
Provenance: Ex-Estate of Leslie Liefer, Former Professor at MichiganTechnological University. Label is included with purchase.
Up for sale is a museum-grade piece of UpperPeninsula Michigan copper mining history. This massive, heavy copper tagfeatures clipped corners and a single mounting hole, showing an incredible,rich century-old industrial patina.
This is a premier artifact for Keweenaw Peninsula historiansbecause it features unique dual-sided cross-over stamping that documentsthe evolution of the mining location. The reverse side explicitly marks it forthe Tool Shed at the famous No. 5 Tamarack Shaft—one of the deepestvertical mine shafts in human history, plunging over 5,000 feet straight down.Following Calumet & Hecla's historic 1917 acquisition of the TamarackMining Company, the tag was turned upside down and re-stamped on the front forC&H's extensive surface animal-traction and agricultural infrastructure atthe North Hay Barn.
Double-sided tags that name a specific, legendary shaftinfrastructure like Tamarack No. 5 are exceptionally rare.
