344 Mexico Sonora Covers

5810- Scott 329, SERIS, SONORA (VERY SCARCE) TO NOGALES, WITH BACK STAMPS, COVER ON BACK SMALL PIECE MISSING

5805- Scott 323-25, NOGALES TO HERMOSILLO, WITH BACK STAMP

5789- Scott 329, MAGDALENA TO HERMOSILLO, WITH BACK STAMP, DING LL CORNER

5790- Scott 322-3, 36 (2), MAGDALENA TO NOGALES, WITH BACK STAMP, DING LL CORNER

5802- Scott 326, NACO TO CANANEA, SONORA, WITH BACK STAMPS,COMPLETE NACO PURPLE CANCEL, BIT OF TONING