50 C. postal stamp pale blue with overprint "fortress Lorient", variety "inverted overprint" on Paper document with cancellation through censorship stamp "fortress Lorient 1. May 1945" and handwritten signature of the Censorship officer Schmitt, slightly creased, only issued 1. 800 pieces - of it only a few with head on vertical overprint, photo expertize Lothar autumn VP (2016) : "the other condition is perfect. "