Union general (1826–1885) removed from command by Lincoln for his failure to exert pressure on Lee’s army during the crucial Peninsula Campaign. He ran unsuccessfully for the presidency in 1864 and later served as Governor of New Jersey. Carte-de-visite photo of McClellan in uniform, probably during the war, 2.5 x 4.25, signed in ink on the image, “Geo. B. McClellan, Maj. Gen. USA.” Mild scattered soiling, otherwise fine condition. R&R COA.