1929 Mexico Newer & B/B Covers

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

5942- 1867 GUADALAJARA PROV. TO GUADALAJARA

5926- 1924, 1-2 YUCATAN, MERIDA TO CAMPECHE, VERT. CREASE, ABIERTA POR EL CENSOR LABEL

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

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