1.50 Fr. Postal stamp dark red brown with overprint "fortress Lorient" on document with cancellation through censorship stamp "fortress Lorient 1. May 1945" and handwritten signature of the Censorship officer Schmitt, issued only 1.800 stamps, expertise Lothar Herbst VP (2024) : "the condition is perfect. Due to the small issue from only 1800 pieces are these stamps rare. "