½c yellow 'Numeral' issue with boxed 'CORREOS DEPARTA MENTALES' official opt in black, a fine lightly used copy. A scarce & underrated issue. (SG D311)
½c yellow 'Numeral' issue with boxed 'CORREOS DEPARTA MENTALES' official opt in black, a fine lightly used copy. A scarce & underrated issue. (SG D311)