Beautifully engraved signed and unissued certificate from the Bingham-Tintic Mines Company printed around 1920. This historic document has an ornate border around it with a vignette of men working in a mine. This item is hand signed by the Company's President, A. N. Leonard and its Secretary, D.P. Thomas and is over 75 years old. BINGHAM CANYON is located near Salt Lake City, Utah, USA.