8 Pfg+7 Pfg yellowish red with sharp, four-sideder experimental perforation, thin paper (under 0, 06 mm), horizontal pair from right margin of sheet with \"different high stamp printing\", impeccable mint never hinged, unsigned, photo expertize Kunz BPP (2018) : \"genuine and in perfect quality. These double variety is with experimental perforation so far not by Michel Germany special catalogue listed. \"