Inventor who began experiments in the treatment of rubber and developed the vulcanization process. Check, 6.25 x 2.5, filled out and signed by Goodyear, 'Chas. Goodyear,' payable to Wm. Carmichael for 10.50, May 15, 1860. In very good condition, with cancellation cut to center, several vertical creases and light overall wrinkling. RRAuction COA.
