1, 20 Fr. Postal stamp red-brown with overprint "fortress Lorient" on paper supports with cancellation through censorship stamp "fortress Lorient 1. May 1945" and handwritten signature of the Censorship officer Schmitt, in perfect condition, issued only 180 piece, photo expertize Lothar Herbst VP (2018) : "the condition is perfect. Very rare. " Michel 1.500.-