1915 Mexico Revolutionary Covers

5837- 1914, SOLDIER’S MAIL, SILAO TO CARDENAS, SLP., 15TH CAVALRY, EXTREMELY INTERESTING

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

5835- 1914, #359 BISECT, FROM GUAYMAS TO NOGALES, W/BACKSTAMP

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

5825- 1900, POSTCARD TO PERU, WITH EL PARIAN CANCEL