'Rollschein' -Schwimmermasch -See - (Einmotorig) Kampfgeschwader 'Boelcke' - Böttger

'Flugschein' (flight licence) of Obergefreiter Siegwart Böttner who served with 'Kampfgeschwader Boelcke' and was allowed to fly the ' Schwimmermaschine einmotorig' (single engine waterplane) and the 'ME109' ,the'He111' and the 'Ju52' .Interesting 'Flugschein'