Signature of Luftwaffe KC Recipient 'Heinrich Südel'

In a very good condition a postwar postcard with original signature of Heinrich Südel. Oberleutnant Heinrich Südel earned the German Cross in Gold on September 25, 1942 and the Knight's Cross of the Iron Cross on April 7, 1945 as Oberleutnant und Beobachter & Ia of the I. Gruppe/ Kampfgeschwader 55 'Greif'.The picture comes with an extra signed picture and his military achievement record written by himself.