Thomas Edison and Mrs., Henry Ford and Mrs., E.G. Kingsford, Harvey S. Firestone, Isabelle Firestone, Russell A. Firestone, Lucy S. Bogue, 1923 Autographs on birch bark, framed with charming story of how autographs were acquired, typed by Mr. W.M. Tucker. 5" x 6 3/4" bark. Although we have no reason to believe this is not authentic, there is no guarantee of its authenticity, please buy as is.