5 M. Bavaria Sarre with overprint error IV "upper grid line left shifted", used two ring cancel "MITTELBEXBACH . . 0. Fable 20", rare overprint error the only on field 10 in a part of issue occurs, expertized Dr. Schneider BPP (minimal visible on the back) and photo expertize Burger BPP "the stamp is in perfect, fresh condition, on all sides regular perforated and with the authentic double circle postmark [. . . ] neat tied. ", Michel 3.500.-