1910 Mexico Official Covers

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

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

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

5971- 1900, .35¢ ATLIXCO, PUEBLA TO PUEBLA, RED SEAL, BACK STAMPS AND WAX SEAL, CERTIFIED AR COVER, BEAUTIFUL, OFFICIAL

1887 #158 (2), TEHUACAN TO TECAMACHALCO, PLUS OFFICIAL BLUE SEAL, FRONT