1 page, folio, 495 x 406 mm, on vellum, accomplished in manuscript, with paper seal, docketed upper margin by Adjutant General Lorenzo Thomas, old creases from folding, framed with portrait of Lincoln (not examined out of frame).

Military appointment promoting Chauncey McKeever as "Assistant Adjutant General" with the rank of Captain to Joseph Hooker's Division of the Third Army Corps. McKeever had previously served Major General John Fremont in the same capacity, during which time he "had his right arm disabled by a relapse of injuries received at Bull Run, causing...much fever and suffering" (Fremont, The Story of the Guard: A Chronicle of the War, p. 89).