American military officer (1830-1882) who, despite earning the sobriquet 'Hero of Little Round Top' for his actions at Gettysburg, was humiliated when General Philip Sheridan removed him from command after Warren's supposedly ineffective performance at Five Forks. Precise ink signature, "G. K. Warren, Maj. Gen. Vols.,” on an off-white 3.5 x 2 card. In very fine condition. Encapsulated in a PSA/DNA authentication holder.