1843, 6 Rp black with vertical background lines, type II, 47 stamp of the sheet, tied by red Zurich rosette postmark and part of a black date cancel, having bright colours and excellent margined extremely fine copy in perfect condition, photo expertize Jean Claude Marchand SBPV (2023) \"in perfect condition. Excellent visible background lines. \", Michel 1.600.- (Zumstein no. 2 S)