Secretary of War under Lincoln. DS, one page, 8 x 10, War Department letterhead, September 2, 1863. Secretary Stanton informs Thomas M. Vincent, that “the President of the United States has promoted you to the rank of Captain in the Second Regiment of the Artillery.” Boldly signed at the conclusion in black ink by Stanton. Two horizontal folds, a few light creases and a light pencil notation to bottom, otherwise fine condition. R&R COA.