Postcard commemorating 50th anniversary of Amy Johnson's 1930 flight to Australia

Postcard commemorating the 50th anniversary of Amy Johnson's 1930 flight to Australia reproduced from a photograph in the BBC Hulton Picture Library.
It show Amy Johnson's Gypsy Moth plane, 'Jason', on view at Croydon Airport after its return from Australia on 5 August 1930. A policeman stands to the right watching several well dressed men and women who are walking around inspecting the aircraft.
A large number of people can be seen standing on an observation deck on a flat topped building behind.
The reverse of the postcard is plain.