Lot · Mining
Pennsylvania Copper Mining Co Stock Certificate Keweenaw Michigan 0592 mi mine
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Mon · Jun 29, 2026
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houghton_estate.sales
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Description
From the sellerThe product is a stock certificate from the Pennsylvania Copper Mining Co, which operated the Keweenaw Michigan 0592 mi mine in the United States. This circulated stock certificate represents a piece of mining history and is a valuable collectible for those interested in mining stocks and bonds. It offers a glimpse into the past and serves as a unique piece of memorabilia from the mining industry in the United States.
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