Postwar Signature of Siegfried Gerstner. Major Siegfried Gerstner (16.11.1916 † 11.01.2013), Knight’s Cross Holder of the Fallschirmjäger-Regiment 7. Gerstner was recommended for the Knight’s Cross as Kommandeur der II./ Fallschirmjäger-Regiment 7, 2. Fallschirmjäger-Division on account of his success in demolitions during the fighting for Fortress Brest. He played a major role in eliminating potential enemy entrance routes into the city. Signed on the back.