OFFICIAL issue with 'Primero la Patria! Servicio Interno AEREO' AIRPLANE overprint, the set of three unused with variety 'AEREO' OVERPRINT IN RED. Rare, only 1000 of each were printed. (Sanabria #209/211)
OFFICIAL issue with 'Primero la Patria! Servicio Interno AEREO' AIRPLANE overprint, the set of three unused with variety 'AEREO' OVERPRINT IN RED. Rare, only 1000 of each were printed. (Sanabria #209/211)