Original Postwar Signature on a Postwar Photocopy of Helmut Rüffler. Oberleutnant Heinrich Schlosser (01.08.1908 † 17.12.1990) earned the Deutsches Kreuz in Gold on December 3, 1942 and the Ritterkreuz on December 23, 1942 as Oberfeldwebel und Flugzeugführer in the 4. Staffel/ Jagdgeschwader 3 “Udet”. Good condition. Measuring: 8,8×12,7cm. Helmut Rüffler was credited with 88 victories in 690 missions, a further 10 victories were claimed but not confirmed.