1915 Mexico Newer & B/B Covers

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

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

5932- 1915, – TO CERRALVO, N.L.,POSTAGE DUE, REVOLUTIONARY OVERPRINT ON 1¢ & 4¢

5936- 1930, WITH FIVE DIFFERENT REVENUES USED AS POSTAGE

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