$75.00
5942- 1867 GUADALAJARA PROV. TO GUADALAJARA
5936- 1930, WITH FIVE DIFFERENT REVENUES USED AS POSTAGE
5949- 1935, PORT OF CALL, GUAYMAS – U.S.S. WORDEN
5937- 1930, REGISTERED (2) #671 ON COVER, MONTERREY TO AUSTRIA
5930- 1918, CANANEA, SONORA TO NOGALES, WITH BACK STAMP, 5¢ POSTAGE DUE USED AS POSTAGE. NO BACK FLAP
5928- 1916, SOLDIERS LETTER, EAGLE PASS, TX, EXCELLENT WAR COVER
5941- 1933, CERTIFIED WITH 2 AIR MAIL STAMPS + 1 SURFACE STAMP TO GERMANY
