$20.00
6019- 1929, 15 MAY, SEE PHOTO, PURPLE CACHET
5951- 1935, PORT OF CALL, LA PAZ, U.S.S. CUSHING
5946- 1935, REGISTERED, (2) 10¢ AND (2) .20¢ PROOFS USED AS POSTAGE, FROM MEXICO TO LONG BEACH, CA
5936- 1930, WITH FIVE DIFFERENT REVENUES USED AS POSTAGE
5926- 1924, 1-2 YUCATAN, MERIDA TO CAMPECHE, VERT. CREASE, ABIERTA POR EL CENSOR LABEL
5929- 1913, CANANEA, SONORA, LONE POSTAGE DUE ON COVER – GREAT COVER TO NOGALES,
5936- 1960, #909 ON FIRST DAY COVER, NICE AND CLEAN
