Here is an easier one. Who built this and when? A point is waiting for you!
Germany?
no
Experts?
Aero-Minor
not from Czechoslovakia
Is it a one-off?
yes, it is a one-off
Roadsterul M.R.'1945
inginerul Radu Manicatide
Industria Aeronautică Română (IAR)
Brasov, Romania
Yes, easy-peasy