Manfred Pflumm and not Plumpf had built a large number of replicas for museums across Germany. (Fokker DR1, Fokker E.III, Junlers J 10, Junkers Ju 87 which was displayed at Frankfurt International’s viewers terrace in 1979), Bf 109E, Ju 13 at Stuttgart)
He is located at INTERNATIONAL LUFTFAHRTMUSEUM MANFRED PFLUMM, D-78056 Villingen-Schwenningen.
Source Aircraft Museums and Collections of the World-Volume 3-Bob Ogden