20c grey black 'Numeral' issue, perf 12 with boxed 'CORREOS DEPARTA MENTALES' official opt in black, a fine lightly used copy. A scarce & underrated issue. (SG D317)
20c grey black 'Numeral' issue, perf 12 with boxed 'CORREOS DEPARTA MENTALES' official opt in black, a fine lightly used copy. A scarce & underrated issue. (SG D317)