10c green 'Hidalgo' postal stationery envelope with '3074' district number and boxed 'OAXACA' district overprint in black (UPSS #E2, H&G B2b). Fine unused.
10c green 'Hidalgo' postal stationery envelope with '3074' district number and boxed 'OAXACA' district overprint in black (UPSS #E2, H&G B2b). Fine unused.