1900 Mexico Official Covers

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

5965- 1902, .20¢ CERTIFIED ON PIECE, CHIGNAHUAPAN TO ZACATLAN, ALA TRISTE SEAL, FRONT, OFFICIAL

5966- 1901, .30¢ TETELA, PUEBLA TO ZACAPOAXTLA, PUE., SEAL TORN, COMPLETE LARGE ENVELOPE, BEAUTIFUL, OFFICIAL

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

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