Partly printed DS, one page on vellum, 15.25 x 19, July 5, 1884. A promotion for Andrew K. Smith as surgeon with rank of lieutenant colonel. Countersigned by Robert T. Lincoln [son of Abraham Lincoln] as secretary of war. The blue paper seal remains intact at lower left. Period framed to an overall size of 20 x 24. In very good condition, with document affixed to same-sized piece of early mat board (slightly bowed), intersecting folds (just touching tops of signatures), light scattered soiling and toning, and subtle spreading and slightly irregular adhesion of ink. Both signatures are clear. Auction LOA John Reznikoff/PSA/DNA and R&R COA.