Union general (1831–1869) who served as Grant’s aide-de-camp and later as a brigadier general. A close friend and confidant of Grant, Rawlins was appointed Secretary of War at the start of his presidency. Original 2.25 x 4 carte-de-visite portrait of Rawlins in uniform, by Brady’s National Photographic Portrait Galleries of New York, signed in the lower border in black ink, “Jno. A. Rawlins.” Reverse bears two period ink notations in unknown hands. In fine condition, with mild scattered soiling, some speckling to background of image, and trivial silvering to dark areas of the image. RR Auction COA.