Union general (1826-1885) hailed at the beginning of the Civil War as the 'Young Napoleon,' who was defeated for the presidency in 1864 by Abraham Lincoln. Ink signature, "Geo. B. McClellan, Maj. Gen'l USA,” on an off-white 3.75 x 1.5 slip affixed to a larger card. In fine condition. Encapsulated in a PSA/DNA authentication holder.