100c lilac 'Hidalgo' issue with '28 72' number and 'MONTERREY' district overprint, a fine unused four margin copy. Fine & scarce. (SG 91, Follansbee #91b)
100c lilac 'Hidalgo' issue with '28 72' number and 'MONTERREY' district overprint, a fine unused four margin copy. Fine & scarce. (SG 91, Follansbee #91b)