Washington, April 22, 1848. 1p. Folio on vellum. 16 1/2 x 14 3/4 in. (421 x 374 mm). Document signed by President Polk and countersigned by Secretary of War William Learned Marcy, appointing Samuel G. Beach First Lieutenant in the Fifteenth Regiment of Cavalry. With engraved vignettes and paper seal. Docketed at upper left recto. Lightly to moderately dusty, moderate horizontal creasing; manuscript contents starting to fade.