1843, 6 Rp black, horizontal background lines, strip of five with the types I - V (field 71 / 75 of the sheet) left with margin of sheet, unused without gum, the types I and IV above minimally thin place, type V above slightly creased and thin, otherwise presented be these scarce unit in perfect condition with excellent visible background lines, expertized Pemperton & Wilson and photo certificates Emil Rellstab International Association for Philatelie Experts and Jean Claude Marchand SBPV (2023)