4, 50 Fr. postal stamp with overprint "fortress Lorient" in violet and red with left attaching and likewise with violet overprint "fortress Lorient" attached overprint, on document with cancellation through censorship stamp "fortress Lorient 1. May 1945" and handwritten signature of the Censorship officer Schmitt, faultless condition, issued only 70 piece - in existing variety probably the only one exists, photo expertize Lothar autumn VP (2018) : "the condition is perfect. " - one of the large rarities German occupation II. world war!