1902 Mexico Official Covers

5973- 1905, #O61 ON PC TO SWITZERLAND, SLIGHT CREASE, OFFICIAL

5977- 1905, .3¢ CHIGNAHUAPAN TO ZACATLAN, WITH A LA TRISTE SEAL, ZACATLAN CANCEL ON BACK, OFFICIAL

5981- 1877, TO PUEBLA FROM MORELOS, NICE, LETTER INCLUDED, OFFICIAL

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

5974- 1902, .5¢ TEHUACAN TO TECAMACHALCO, WITH TEHUACAN PURPLE SEAL, OPENED L & R, OFFICIAL