1 Kr. Black, plate 1, with 7 mm wide upper margin, in perfect condition mint never hinged, still entirely unsigned, on all sides extremley fine wide to enormous margins with cut lines at all 4 sides, nice deep colour, outstanding quality, an exception copy of the first German stamp in perfect mint never hinged condition and from outstanding effect, photo certificates Schmitt BPP and new photo expertize Sem BPP (2019) "a especially attractive 'one kreuzer black' in fresh condition. "