Bidspirit auction | 1939 Airmail cover franked with
1939 Airmail cover franked with KGVI 2a6p stamp with British slogan ”BRITISH INDUSTRIES FAIR/FEB-MAR/20..1939/LONDON & BIRMINGAM”
1939 Airmail cover franked with KGVI 2a6p stamp with British slogan ”BRITISH INDUSTRIES FAIR/FEB-MAR/20..1939/LONDON & BIRMINGAM”