60 cent on 50 Mark on 25 C. Dark vermilion, block of four with the overprint types III - III and I - III therefore horizontal type pair included, lower pair mint never hinged, upper stamps unused, left lower stamp manufactured sand grain hole, photo expertize Tobias Huylmans BPP: \"genuine and immaculate\", Michel for single values 1.410.- (there type pairs - . Stand, the vertical variety comes only 3 x in the sheet before, the horizontal 10 x)