N°426-431x2-433x2-485x3 obl Leuven 13/9/39 env (petit manque coté droit) PA Imperial Airways, griffe unilingue "In de bus gevonden" via Aba (càd verso 21/10) vers Angumu, Congo Belge."

Year

1939

Country

Belgium

Theme

Aviation / Airmail
Issue "Poortman" (429/35 + 478 + 847 + 529/31 / 48B)
International Exhibition

Type

Letters