1843 canton Zurich, 6 Rappen black with horizontal red lines background, type I, 91. stamp of the sheet of hundred, cancelled by red Zurich rosette postmark, left slightly closely, otherwise good margined, fresh colours condition, signed: homologation Moser Raez with pencil, photo expertize Walter abbot BPP (1994), "neat fresh piece in good condition, unrepaired", Michel 1.500.- (Zumstein number 2 W, 2.150.- CHF)