1929 Mexico Newer & B/B Covers

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

5927- 1922, YUCATAN (2) #2’S, LARGE MARGINS, CAMPECHE TO MERIDA, ABIERTA POR EL CENSOR LABEL

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

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

5933- 1915, ON PIECE (2) #435, WITH POSTAGE DUE 4¢