5 cent postal stamp black / dark orange with bright red overprint \"official stamp\", variety \"unperforated\", block of four from left margin of sheet, mint never hinged, streifenweise brownish discolouration of the gum (storage traces from stockbook), signed Ney BPP and photo expertize Christian Geigle BPP (2022) \"further defects are not present. \", Michel 880.-