1914 Mexico Newer & B/B Covers

5947- 1936, PORT OF CALL, ACAPULCO, U.S.S. FAIRFAX

5943- 1867 GUADALAJARA PROV. TO ZAPOTLAN

5933- 1915, ON PIECE (2) #435, WITH POSTAGE DUE 4¢

5929- 1913, CANANEA, SONORA, LONE POSTAGE DUE ON COVER – GREAT COVER TO NOGALES,

5930- 1918, CANANEA, SONORA TO NOGALES, WITH BACK STAMP, 5¢ POSTAGE DUE USED AS POSTAGE. NO BACK FLAP