Beautifully engraved certificate from the North Butte Extension Development Company issued in 1915. This historic document was printed by the New York Banknote Company and has an ornate border around it with a vignette of a man working in a mine. This item is hand signed by the Company's Vice President and Assistant Treasruer and is over 86 years old.
The company was incorporated in the State of Maine in 1908. It was controlled by the Butte and Superior Mining Company.