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, by Brady of Washington, signed at the bottom of the image in black ink, “Jno. A. Rawlins, Brig. Genl, Chf. of Staff, Armies U. S.” Scattered surface marks and dings, and mild silvering to dark areas of the image, otherwise fine condition. RRAuction COA.