1915 Mexico Revolutionary Covers

5828- 1914, GUADALAJARA W/RR CANCEL 379 TO MEXICO

5844- 1911, 1¢ PC, W/DOUBLE 10¢ BARREL

5826- 1900, ENVELOPE TO NEW YORK, FROM TAMPICO

5832- 1915, (2) #427 TO EL PASO FROM CHIHUAHUA GREAT STICKER ON BACK

5834- 1921, (2) #312 REGISTERED LETTER TO US FROM ZACATECAS, MANY MARKINGS ON BACK