1867 Mexico Newer & B/B Covers

5950- 1935, PORT OF CALL, MAZATLAN, U.S.S. WORDEN

5925- 1919, REGISTERED MEXICO TO CALIFORNIA, WITH #B1-2 PLUS OTHERS

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

5944- 1867 GUADALAJARA PROV. TO GUADALAJARA TO ZAMORA

5938- 1935, (1) PAIR AND (1) SINGLE ON REGISTERED COVER TO LONG BEACH, CA, PROOFS USED AS POSTAGE