322(3) Mexico Sonora Covers

5815- Scott 337, 342, – TO NOGALES, CLEAN AND NICE

5796- Scott 323(2), 336, MAGDALENA TO NOGALES, W/BACK STAMP, CORNER DING LL

5804- Scott 326, LA COLORADA TO HERMOSILLO, PARTIAL BACK STAMP AND PARTIAL COVER

5799- Scott 323-4, 36, HERMOSILLO TO MAGDALENA, W/BACK STAMP, CORNER DING LL, SECOND EARLIEST KNOWN DATE FOR 1¢ #336

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