One of the select few Northern generals who fought on the side of the Confederacy, Smith strategized and implemented defenses at Vicksburg. War-dared ink signature, “M. L. Smith,” on a light blue 3 x 2 lightly-lined slip clipped from a larger endorsement, dated May 3, 1863. In very good condition, with toning, and pencil and ink notations in another hand. RRAuction COA.