322-3 Mexico Sonora Covers

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

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

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

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

5816- Scott 329, NACOZARI TO AGUA PRIETA, CLEAN AND NICE