8 Pfg postal stamp cut with variety "printed on the gummed side", block of four with left margin of sheet, in perfect condition mint never hinged, largest known unit of this variety, expertized Zierer BPP and new photo expertize Kunz BPP (2018) "the mint never hinged block of four from the margin (with not separated margin of sheet) is genuine. The unit lies in perfect quality before. ", Michel 640.-