New Zealand 1898 (5 Apr) 2s grey-green "Milford Sound", Waterlow printing, no watermark, perf 15, VERTICAL PAIR ERROR IMPERFORATE BETWEEN, part original gum. Some gum faults (small thins and slight disturbance) but fine appearance and a great rarity. Possibly ten pairs existed, but this is the first example we have seen, with another in the Royal Collection.
Accompanied with British Philatelic Asssociation certificate (2017). (SG catalogue price: £5,500). Mint. SG 258a