1899 Mexico Official Covers

5976- 1905, .3¢ PUEBLA TO ATLIXCO AND PARTIAL ATLIXCO SEAL, OPENED L & R, OFFICIAL

5968- 1907, .6¢ ON FRONT, SAN JUAN DE LOS LLANOS TO CUYUACA, WITH RED SEAL, OFFICIAL

5979- 1904, .20¢ TEHUACAN TO PUEBLA WITH VIOLET TEHUACAN SEAL, BACK STAMPS, OFFICIAL

5959- 1808, .16¢ ON FRONT WITH PURPLE ZACATLAN SEAL TO PUEBLA, OFFICIAL

5978- 1904, .3¢ ZACATLAN TO PUEBLA, PUEBLA SEAL, BACK STAMPS, OPENED L & R, OFFICIAL