6 Pfg numeral+6 Pfg coat of arms, vertical se-tenant from right margin of sheet, variety \"right unperforated\", mint never hinged, except for one tiny on face dirt in the lower margin of the lower stamp in perfect condition, the rough vertical perforation is manufactured, unsigned, photo expertize Kunz BPP (2021) : \"these perforation variety counts to the Niesky rarities. \", Michel 1.000.- (according to invoice for expertation, there by Michel Germany special 2021 unlisted! Only The Persuaders! Singles are noted already 800.-)