General (1805–1880) who served in the Seminole War, the Mexican-American War, the Yuma War, the Cortina Troubles, and the Civil War. War-dated ink signature, “Washington, Oct. 20th 1863, S. P. Heintzelman, Major Genl,” on an off-white 5.75 x 3 card. In fine condition. RRAuction COA.
