5811- Scott 327, URES TO HERMOSILLO, WITH BACK STAMP, CORNER DING LL
5820- Scott 338, HERMOSILLO TO NOGALES, WITH BACK STAMP, NICE COVER
5819- Scott 338, MEXICO TO MAGDALENA, TWO LARGE BLUE MEXICO CANCELS, W/BACK STAMP, W/TINY CORNER DING LL
5789- Scott 329, MAGDALENA TO HERMOSILLO, WITH BACK STAMP, DING LL CORNER
5805- Scott 323-25, NOGALES TO HERMOSILLO, WITH BACK STAMP
5810- Scott 329, SERIS, SONORA (VERY SCARCE) TO NOGALES, WITH BACK STAMPS, COVER ON BACK SMALL PIECE MISSING
5808- Scott 322-24, HERMOSILLO TO NOGALES, WITH BACK STAMP, BACK FLAP MISSING
5803- Scott 326, ALTAR TO CABORCA, WITH BACK STAMP
5799- Scott 323-4, 36, HERMOSILLO TO MAGDALENA, W/BACK STAMP, CORNER DING LL, SECOND EARLIEST KNOWN DATE FOR 1¢ #336
5806- Scott 322(3),23-24, HERMOSILLO TO NOGALES, WITH BACK STAMP, CORNER DING LL
5801- Scott 338, CUMPAS TO HERMOSILLO, WITH BACK STAMP
5809- Scott 322(3), 323, HERMOSILLO DE NOGALES, WITH BACK STAMP, CORNER DING LL
5807- 322-24, ESTACION LLANO TO MAGDALENA, WITH BACK STAMP, CORNER DING LL
5802- Scott 326, NACO TO CANANEA, SONORA, WITH BACK STAMPS,COMPLETE NACO PURPLE CANCEL, BIT OF TONING
5800- Scott 325, LA CANANEA TO HERMOSILLO, BACK STAMP, TEAR LEFT SIDE
5804- Scott 326, LA COLORADA TO HERMOSILLO, PARTIAL BACK STAMP AND PARTIAL COVER
5797- Scott 322-3, 36(2), MAGDALENA TO NOGALES, W/BACK STAMP, CORNER DING LL
5796- Scott 323(2), 336, MAGDALENA TO NOGALES, W/BACK STAMP, CORNER DING LL
5798- Scott 322, 36-7, HERMOSILLO TO MAGDALENA, W/BACK STAMP, CORNER DING LL
5821- Scott 344, NOGALES TO HERMOSILLO, RR, W/LARGE BLUE MEXICO CANCEL, COUPLE CREASES
5790- Scott 322-3, 36 (2), MAGDALENA TO NOGALES, WITH BACK STAMP, DING LL CORNER
5794- Scott 328, – TO HERMOSILLO, VERT. CREASE
5791- Scott 328, NOGALES TO SONORA, WITH BACK STAMP
5817- Scott 344, SAN BLAS TRANSIT TO HERMOSILLO,CLEAN AND NICE
5795- Scott 322, 36-7, HERMOSILLO TO MAGDALENA, W/BACK STAMP, CORNER DING LL
5792- Scott 322, – TO ESTACION PIERSON, SONORA
5814- Scott 339, NACOZARI TO AGUA PRIETA, CLEAN AND NICE
5822- Scott 344, NACO TO HERMOSILLO, W/BACK STAMP, WRINKLED
5818- Scott 344, NOGALES TO ESTACION LLANO, WITH CORNER DING AT LL
5813- Scott 339, NACOZARI TO AGUA PRIETA, CLEAN AND NICE
5812- Scott 344b, YZAHBAL TO NACOZARI, WITH BACK STAMP
5816- Scott 329, NACOZARI TO AGUA PRIETA, CLEAN AND NICE
5815- Scott 337, 342, – TO NOGALES, CLEAN AND NICE