Signer of the Texas Declaration of Independence, first treasurer of the Republic of Texas, and mayor of Austin (1790–1844). Partly-printed DS, signed “A. Brigham,” one page, 6.5 x 3.25, September 4, 1836. Pay order, in part: “The Treasurer of the Government of Texas will pay to J. P. Trezevant or order, Fifteen Dollars.” Expected document wear and bold cancellation notations affecting much of Brigham’s signature, otherwise fine condition. Provenance: The Robert Davis Collection.