1952 Mexico Newer & B/B Covers

5934- 1914, #386, WITH POSTAGE DUE 2¢ PAID, WITH #385, TO NOGALES

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

5951- 1935, PORT OF CALL, LA PAZ, U.S.S. CUSHING

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

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