5c brown + 10c green + 10c green 'Hidalgo' postal stationery envelope (UPSS #E15, H&G 13a) with '2783' number and 'MAZATLAN' district overprint unused but cancelled with light strike of oval FRANCO EN MAZATLAN remainder cancel in purple.
5c brown + 10c green + 10c green 'Hidalgo' postal stationery envelope (UPSS #E15, H&G 13a) with '2783' number and 'MAZATLAN' district overprint unused but cancelled with light strike of oval FRANCO EN MAZATLAN remainder cancel in purple.