SMGP-1498 Gerhard Studemann Luftwaffe Knights Cross with Oaks Winner

A 4.75×3.5″ photo with post war signature in blue marker.

From Military wiki:

(19 June 1920 – 6 December 1998) was a highly decorated Hauptmann in the Luftwaffe during World War II, and one of only 882 recipients of the Knight’s Cross of the Iron Cross with Oak Leaves. The Knight’s Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership. Gerhard Stüdemann is credited with destroying 117 tanks in 996 missions.^{[Notes 1]}

• Flugzeugführerabzeichen
• Front Flying Clasp of the Luftwaffe in Gold with Pennant “900”
• Iron Cross (1939)
  • 2nd Class (13 July 1941)^[1]
  • 1st Class (20 August 1941)^[1]
• Eastern Front Medal
• Ehrenpokal der Luftwaffe (2 April 1942)
• German Cross in Gold on 21 August 1942 as Leutnant in the I./Schlachtgeschwader 77^[2]
• Knight’s Cross of the Iron Cross with Oak Leaves
  • Knight’s Cross on 26 March 1944 as Oberleutnant and Staffelkapitän of the 9./Sturzkampfgeschwader 77^[3]
  • 813th Oak Leaves on 28 March 1945 as Hauptmann and Gruppenkommandeur of the III./Schlachtgeschwader 77^[4]