1843, 6 Rp black with horizontal background lines, type III, 43 stamp of the sheet, tied by red Zurich rosette postmark, having bright colours and excellent margined extremely fine copy in perfect condition, expertized Hunziker and photo expertize Jean Claude Marchand SBPV (2023) \"in perfect condition. Excellent visible background lines. \", Michel 1.500.- (Zumstein no. 2 W)