DS as president, one page, 13 x 16.5, June 1, 1830. President Jackson promotes Brevet Lieutenant Colonel John B. Walbach to the rank of Brevet Colonel “for ten years faithful service in the grade of Brevet Lieut. Colonel in the Army.” Signed at the conclusion in black ink by Jackson and countersigned by his Secretary of War Eaton. John Baptiste Walbach was a German officer who resigned his commission in the Hussars de Rohan, in April, 1798, he was appointed aide-de-camp to General William Macpherson. He became 1st lieutenant of United States cavalry and adjutant on January 10, 1799, was aide-de-camp to General Alexander Hamilton in May, assistant adjutant-general to General William North in September, and in December was assigned to the staff of General Charles C. Pinckney, whom he assisted in preparing regulations for the cavalry. He took part in the battle of Chrysler's Field, Canada, November 11, 1813. General George W. Cullum, in his "Campaigns and Engineers of the War of 1812-15," says that the enemy, "discovering our disorder and slackened fire, pushed vigorously forward and endeavored by a flank movement to capture our cannon, when Adjutant-General Walbach, a German veteran in our army who had seen much foreign service, gave the order to ' charge mit de dragoons, ' and thus saved the pieces." Expected folds, several small spots of paper loss, mostly along fold and left edge, worn but intact seal and some mild toning, otherwise fine condition. COA John Reznikoff/PSA/DNA and R&R COA.