1921 Mexico Revolutionary Covers

5847- 1915, ADVERTISING ENVELOPE W/#502-503

5831- 1911, LAS PeñAS, JALISCO TO GUADALAJARA, W/BACK STAMPS

5887- 1914 ON COVER WITH FAINT RR CANCEL, FROM HIDALGO TO MEXICO

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

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