1915 Mexico Revolutionary Covers

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

5841- 1914, SOLDIERS MAIL, QUERETARO, -CORPS, TACUBAYA, TORN 2 B

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

5840- 1914, SOLDIERS MAIL, MEXICO TO JUCHITEPEC, APULCO, TECOLATLA, ETC, EXPEDITIONARY COLUMN

5842- 1910, 1¢ PC, W/INVERTED 10¢ BARREL