Manufactured by Atelies Defau & Cie of Liège.
Between 1950 and 1958 they built powered bicycles with VAP engines. These were also marketed under the names Vaporette and, later, Alpino. Motorcycle and scooter production began in 1953 using components and engines from Italian suppliers Aermacchi, Alpino, Capriolo and Mi-Val.
Sources:A-Z der Belgische Motoren, Wikipedia NL
