1936 Mexico Newer & B/B Covers

5931- 1915, INTERESTING POSTAGE DUE COVER, .10¢ PAID WITH #348

5928- 1916, SOLDIERS LETTER, EAGLE PASS, TX, EXCELLENT WAR COVER

5949- 1935, PORT OF CALL, GUAYMAS – U.S.S. WORDEN

5932- 1915, – TO CERRALVO, N.L.,POSTAGE DUE, REVOLUTIONARY OVERPRINT ON 1¢ & 4¢

5946- 1935, REGISTERED, (2) 10¢ AND (2) .20¢ PROOFS USED AS POSTAGE, FROM MEXICO TO LONG BEACH, CA