6 kreuzer black on yellow paper, official reprint 166 / 67, block of four from lower margin (12 mm), fresh colours and on all sides full to wide margined cut, the right upper corner has a thin spot place on, unused with original gum - respectively the lower pair mint never hinged, signed Englert, Unverferth and photo expertize Franz Stegmueller BPP (2024) \"having bright colours, otherwise faultless condition. The two of them lower stamps are mint never hinged, without hinge traces. A scarce and very decorative unit. \", Michel 640.- (free of premium for the scarce unit)