$20.00
6009- 1928, 1 OCTOBER, SEE PHOTO, PURPLE CACHET
5931- 1915, INTERESTING POSTAGE DUE COVER, .10¢ PAID WITH #348
5930- 1918, CANANEA, SONORA TO NOGALES, WITH BACK STAMP, 5¢ POSTAGE DUE USED AS POSTAGE. NO BACK FLAP
5947- 1936, PORT OF CALL, ACAPULCO, U.S.S. FAIRFAX
5936- 1930, WITH FIVE DIFFERENT REVENUES USED AS POSTAGE
5951- 1935, PORT OF CALL, LA PAZ, U.S.S. CUSHING
5929- 1913, CANANEA, SONORA, LONE POSTAGE DUE ON COVER – GREAT COVER TO NOGALES,
