Allemano is correct so one point for him and I'll also give a point to Wendax for guessing the Austin 750 part.
Bad luck Otto.....
I'm feeling generous this weekend!
Anyway, the question (and one point) remains for who can provide the name of the constructor.
The car was built in 1954 on a 1928 Austin Seven chassis.
A clue - His surname is similar to a feature at the Le Mans circuit.
Here's the two unadulterated photos of the car from my files -