Fiat Siata 1100 Berlinetta Viotti : Mille Miglia 1938 driver Vittorio Mussolini and Orlando the mechanical
That's the car although I have it as competing in the 1940 Mille Miglia.
The unaltered view -
It is correct. In 1940, a car of the same type with the number 49 was driven by Donati and Massimiani.