$30.00
6022- 1931, 5 DECEMBER, SEE PHOTO, PURPLE CACHET
5938- 1935, (1) PAIR AND (1) SINGLE ON REGISTERED COVER TO LONG BEACH, CA, PROOFS USED AS POSTAGE
5950- 1935, PORT OF CALL, MAZATLAN, U.S.S. WORDEN
5941- 1933, CERTIFIED WITH 2 AIR MAIL STAMPS + 1 SURFACE STAMP TO GERMANY
5947- 1936, PORT OF CALL, ACAPULCO, U.S.S. FAIRFAX
5934- 1914, #386, WITH POSTAGE DUE 2¢ PAID, WITH #385, TO NOGALES
5930- 1918, CANANEA, SONORA TO NOGALES, WITH BACK STAMP, 5¢ POSTAGE DUE USED AS POSTAGE. NO BACK FLAP
