Signed Abraham Lincoln presidential appointment dated May 18, 1864, appointing George A. Armstrong to the rank of Assistant Quarter Master of Volunteers with the rank of Captain, the document is signed lower right by Abraham Lincoln, and counter signed by Edwin Stanton, Secretary of War, document also bears the blue presidential seal, the engraved vellum sheet also bears the War dept. record in red ink and dated May 24, 1864, 19.5"h x 16"w