2 Fr. Postal stamp dunkel'bläulichgrün with overprint "fortress Lorient", corner margin lower right with date of printing "29.11.43" as well additional also on the margin of sheet mounted overprint "fortress Lorient", in perfect condition mint never hinged stamp, issued only 150 piece, with date of printing only approximate 2 pieces possible thus extremely rare, without any signatures, photo expertize Lothar Herbst VP (2015) : "the condition of the stamp is perfect. In the lower margin is a very weak hardly visible shading is existing (meaningless). "