Original Postwar Signature on a Postwar Photo of Carl-August Landfermann. Käpitanleutnant (Ing.) Carl-August Landfermann (14.07.1914 † 18.11.2003) earned the Ritterkreuz on October 27, 1943 as Oberleutnant (Ing.) und Leitender Ingenieur of Uboot “U-181”. Good condition. Postcardsize.