Union general (1815–1874), known as ‘Old Brains,’ who, despite his administrative skill as general in chief, failed to achieve an overall battle strategy for Union forces. Lincoln once described him as ‘little more than a first rate clerk.’ Ink signature, “H. W. Halleck, Major Genl” on an off-white 3.25 x 2 card. In fine condition, with some mild edge toning. RRAuction COA.