18 Kr. Numerals rouletted, vertical block of six, in perfect condition mint never hinged, unsigned, all around complete roulette, the upper pair vertical tiniest separated (as a matter of form mentions), an especially in mint never hinged condition scarce and decorative unit, photo expertize Flemming BPP: \". In the vertical mint never hinged block of six with full handrails puncture as well impeccable original gum, is genuine and impeccable; printing anomaly in the \'S\' of the left lower stamp: two white points. Nice Block unit. \"