Note the distinctive Fokker G.1 silhouettes on the pillar. Only the G.1 prototype had been flown at this point. PH-FDK was registered to Frits de Kok, the general managing director of Royal Dutch Shell, in March 1935. Just after the 1937 Avia exhibition he sold it to the NLS flying school. Impressed by the Dutch army as 963 in September 1939. Seized by the Germans in 1940 although they paid a compensation of 7000 guilders in 1943. The Leopard Moth was already scrapped in 1941 at the Zerlegebetrieb in Utrecht. Photo from: Haags Gemeentearchief

Avia exhibition in The Hague. On the left is the Koolhoven stand with a mock-up of the FK.55 fighter and an FK.53, PH-FKJ. The Fokker D.XXI perching behind that is the first production aircraft, delivered to Finland as FR-76. The D.XXI prototype is painted on the wall. Photo from: Nationaal Archief (Netherlands)