5c on 50c dull purple 'Revenue' SURCHARGE issue with boxed 'CORREO 20 CENTS OFICIAL' overprint. A good mint copy with variety OVERPRINT DOUBLE IN RED & BLACK. Some perf toning. (SG O183b)
5c on 50c dull purple 'Revenue' SURCHARGE issue with boxed 'CORREO 20 CENTS OFICIAL' overprint. A good mint copy with variety OVERPRINT DOUBLE IN RED & BLACK. Some perf toning. (SG O183b)