1910 Mexico Official Covers

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

5958- 1806, .16¢ ON FRONT, WITH PURPLE ZACATLAN, PUEBLA SEAL TO CHIGNAHUAPAN, OFFICIAL

5963- 1903, .25¢ ON FRONT, CERTIFIED PUEBLA TO TEHUACAN, OFFICIAL

5957- 1804, .3¢ ON ENVELOPE OPENED ON ALL SIDES, HUEJOTZINGO, PUEBLA CANCEL TO PUEBLA, WITH BACK STAMP, PURPLE OFFICIAL SEAL, OFFICIAL