4, 50 Fr. postal stamp with red and black violet overprint "fortress Lorient" with left attached blank field, variety "double overprints in dark carmine pink", on gum side left two brown spots (adherence from foreign object) - otherwise in perfect condition unused, extremely scarce variety of this stamp, photo expertize Lothar autumn VP (2018) : "the other condition is perfect. " - one of the large rarities German occupation II. world war! - in existing variety unique the anyway rarely stamp with a printing from only 70 values!