9 Kreuzer brown, large shield, block of four (the horizontal perforation between the upper and lower pair is separated, in the margin of sheet with hinge composed), all fours stamps are in unhinged mint condition, it is a block of four from left upper margin of sheet, on field 1 there is the scarce plate flaw I "colour spot under first R in Kreuzer", according to photo expertize Sommer BPP the it first known mint never hinged stamp with this plate flaw, photo expertize Hennies BPP and photo expertize Sommer BPP: "it is a matter up to now an unique piece and large breast shields rarity. " - illustration see catalogue title!