Mexican general and politician; President of Mexico 1877-1880 and 1884-1911. Lot of three DSs, in Spanish, each three pages on two adjoining sheets, one dated from 1899 and two dated from 1903, signed as President of Mexico on the reverse of the first page by Diaz. Accompanied by two very interesting schematics entitled “Plano Exterior, Mina de los Machos” and La Casualidad,” both also in Spanish. In very good condition, with toning to documents, moderate storage folds, a few small fold separations and expected stamps and notations. R&R COA.