Description:Abner Doubleday autograph. Framed display (12.5"x20.25") includes an "A. Doubleday" fountain pen signature (9-9/10 out of 10) with his rank and "U.S. Army" noted below. It appears on a lightly toned slip of paper which has minor evidence of prior mounting on back. Includes auction LOA from JSA: Sig. NM