1938 Mexico Newer & B/B Covers

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

5945- 1920, REGISTERED FROM MEXICO TO GERMANY

5936- 1960, #909 ON FIRST DAY COVER, NICE AND CLEAN

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

5941- 1933, CERTIFIED WITH 2 AIR MAIL STAMPS + 1 SURFACE STAMP TO GERMANY