I have no pics, but i saw this 2 seater 1930s-40s radial engine open cockpit fabric-covered biplane on display at the Musee des 3 Guerres in Diors, France, near La Martinerie airfield, where it was captured used by the Maquis in 1944.
It had 2 coaxial MGs for the observer a generator fan...
When in France in 1961-63 i saw in a museum a WW2-era 2 seater open cockpit radial engine bipe. The gunner had 2 coaxial MGs. The museum had no specific info but that it was supposedly German pressed into FFI service in 1944 (rondels added).
I admit the description is sketchy. I can find no...