DS as president, one page, 10.75 x 7.5, March 22, 1847. President Polk appoints Mayo C. Watkins to the position of “Master of the Navy of the United States.” Signed at the conclusion by Polk and countersigned by Secretary of the Navy John Mason. Triple suede matted with a color portrait of Polk, to an overall size of 27 x 17. Three vertical folds, one through middle initial of signature and some scattered light toning and soiling, otherwise fine condition. LOA John Reznikoff/PSA/DNA and R&R COA. Oversized.