American. 1910s; 1940s. Includes 2-sided meeting minutes from a July 13, 1917 meeting of the directors for Thomas A. Edison Corp. bearing the signature of Thomas A. Edison. Also included is a cheque signed by Mina M. Edison. Both signatures are original. Each presented in frames behind glass. 8 x 11"; 9.25 x 3" (cheque). CODE-MUM