Juvela, it looks like there are more spacers than necessary to compensate for the hanger.

The steerer tube may be longer than the standard TDF steerer tube.

Best way to tell if it is a TDF or Super Corsa is to measure the stack height.

Also, if it was purchased in Europe, it could be something like a Super Olympic or Olympic model.

There is also the story about it being custom made/built, perhaps that could explain the headset and component mix?