Flat-tank two-stroke. Appears to be late 1920s. Built by Bonnet & Guyonnet.
Its engine is a Lutetia 2-stroke with left-hand intake (carburetor facing forward, therefore with forced induction) and right-hand exhaust.
Ignition is carried out by a MAGNETO FRANCE magneto.
Adapted from an archive of Histoire de la Moto, 1900-2000