'Quito - Ibarra' SEMI OFFICIAL airmail issue with 'ECUADOR' AIRPLANE overprint in black. The set of ten fine unused. Scarce. (Sanabria #S26/S35, Bertossa #XXVII.A/XXVII.J)
'Quito - Ibarra' SEMI OFFICIAL airmail issue with 'ECUADOR' AIRPLANE overprint in black. The set of ten fine unused. Scarce. (Sanabria #S26/S35, Bertossa #XXVII.A/XXVII.J)