President of Mexico from 1877 to 1880 and 1884 to 1911. Partly-printed DS, in Spanish, three pages on two adjoining sheets, 11 x 17, January 6, 1909. Untranslated official document, signed at the conclusion by Diaz as president of Mexico. In very good condition, with intersecting folds, one through a single letter of signature, some scattered light paper loss along central horizontal fold, uniform toning, light creasing, and several official stamps and notations. RRAuction COA.