1928 Mexico Newer & B/B Covers

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

5948- 1938, PORT OF CALL, AT SEE OF ACAPULCO – U.S.S. POMPANO

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

5937- 1930, REGISTERED (2) #671 ON COVER, MONTERREY TO AUSTRIA