1915 Mexico Revolutionary Covers

5831- 1911, LAS PeñAS, JALISCO TO GUADALAJARA, W/BACK STAMPS

5838- 1915, SOLDIER’S MAIL, MEXICO TO MONTERREY, COLURUN OF GENERAL MASS (?), COLLEGE OF CIVIL ENGENERING, VIA SALTILLO

5843- 1915, 1¢ PC, W/SHIFTED 10¢ BARREL

5835- 1914, #359 BISECT, FROM GUAYMAS TO NOGALES, W/BACKSTAMP

5836- 1912, #314, LAS PeñAS, TO JALAPA