$40.00
6010- 1930, 20 APRIL, SEE PHOTO, BLACK CACHET
5930- 1918, CANANEA, SONORA TO NOGALES, WITH BACK STAMP, 5¢ POSTAGE DUE USED AS POSTAGE. NO BACK FLAP
5950- 1935, PORT OF CALL, MAZATLAN, U.S.S. WORDEN
5938- 1935, (1) PAIR AND (1) SINGLE ON REGISTERED COVER TO LONG BEACH, CA, PROOFS USED AS POSTAGE
5931- 1915, INTERESTING POSTAGE DUE COVER, .10¢ PAID WITH #348
5932- 1915, – TO CERRALVO, N.L.,POSTAGE DUE, REVOLUTIONARY OVERPRINT ON 1¢ & 4¢
5941- 1933, CERTIFIED WITH 2 AIR MAIL STAMPS + 1 SURFACE STAMP TO GERMANY
