'Roosevelt' UNISSUED type, imperf inscribed 'AEREO' with 'POSTAL' overprint in black. The set of nine with the nine different official 'Departmental Letter' overprints fine mint. (Bertossa #O.222/O.230)
'Roosevelt' UNISSUED type, imperf inscribed 'AEREO' with 'POSTAL' overprint in black. The set of nine with the nine different official 'Departmental Letter' overprints fine mint. (Bertossa #O.222/O.230)