40 Pfg numerals with retroactive linear roulette 9 3 / 4 - postmaster separation Seiffen, variety: "left unperforated", neat cancelled with Seiffener special cancel, photo expertize Kunz BPP: "genuine and in perfect condition. Stamps with Seiffener postmaster separation to class among the SBZ-rarities. ", Michel 3.000.- - only in few copies known!