Hi,
Not a Simoun, Dick, but not a Nardi too, Christian-J.
The Nardi had no karmann streamlined wing, for instance...
Somebody says me it may be a Maillet two seats trainer.
After research, I believe he is right. It's a
very rare S.F.C.A (société française de construction aéronautique) Maillet 201!
http://www.aviafrance.com/1934.htm