5c orange postal stationery envelope with large SONORA 'ES' handstamp in violet (UPSS #E71bB-25, H&G IB26) used with added strip of three 1914 2c green also with large SONORA 'ES' handstamp in violet (SG S41) tied by multiple strikes of NOGALES cds dated MAR 1915. Addressed locally within NOGALES. A fine & very scarce franking.