⛏️ 1915 THE GRAY EAGLE REDUCTION COMPANY - Incorporated Under the Laws of Arizona ◆ This ore processing facility was originally proposed for Crown King, AZ but plans changed and it was built at Mayer, AZ. An excerpt from my research stated that the company was "Treating ore by means of electrical reduction". Stock certificate issued to Francis D. Musgrove for 250 shares. Impressive Bald Eagle vignette and another eagle is stamped in the center of the corporate seal. Two red revenue stamps affixed to top. Home Office, Springfield, Illinois. Properties, Yavapai County, Arizona (printed just above bottom border). Signed by John Frank as company president.   Price - $79.00