1928 Mexico Newer & B/B Covers

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

5939- 1917, RAIL ROAD CANCELS TO SAN FRANCISCO, CA

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

5929- 1913, CANANEA, SONORA, LONE POSTAGE DUE ON COVER – GREAT COVER TO NOGALES,

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