1938 Mexico Newer & B/B Covers

5945- 1920, REGISTERED FROM MEXICO TO GERMANY

5925- 1919, REGISTERED MEXICO TO CALIFORNIA, WITH #B1-2 PLUS OTHERS

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

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

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