10 k. brown/blue, vertical pair of fresh colours and excellent embossing, nicely centred and with good perforations, each adhesive tied by circular dotted numeral “1” (type with two additional dots on each side of the numeral) to a small piece, alongside red framed “S.P.Burg 23 May 1858”, some minor toning on a few perfs, still fine. An extremely scarce multiple, signed and certificates Hofmann BPP (1984), Citerne BPP (2024)
