'Centenary of the Liberation of Guayaquil' issue with 'OFICIAL' overprint in black. The set of twenty fine mint. A difficult set to assemble. (SG O401/O420)
'Centenary of the Liberation of Guayaquil' issue with 'OFICIAL' overprint in black. The set of twenty fine mint. A difficult set to assemble. (SG O401/O420)