Offered here is a rare original 1897 two color billhead from The Truax Manufacturing Company in Denver, Colorado. Measures 8.50 x 7.0. Great illustration of a red colored Truax Automatic Ore Car in the upper left corner. Billhead for Two Ore Cars and a Timber Truck sold to the Adit Mining Company for $145.00. The Truax Ore Company manufactured Ore Cars for the western mines, selling its patent to other companies that included the Globe Iron Works in Stockton and others. A rare display piece of Truax Ore Car history. Thanks for looking!