10 pfennigs numeral dull gray double impression, on u-paper with steep increasing paper pattern of stripes or streaks and smooth gum, steep rising paper pattern of stripes or streaks, smooth gum, perfectly mint never hinged, expertized Sturm BPP, photo expertize Kunz BPP (2019) "in perfect quality", Michel for the normal stamp already 2,000.-, the double impression by Michel without valuation