Challenge International de Tourisme 1932

The Challenge 1932 was the third FAI International Tourist Plane Competition (French: Challenge International de Tourisme), that took place between 12 and August 28, 1932, in Berlin, Germany. The four Challenges, from 1929 to 1934, were major aviation events in pre-war Europe.

Source: Wikipedia — Challenge International de Tourisme 1932 (CC BY-SA 4.0)