New Zealand 1899-1903 2½d blue "Lake Wakatipu", no watermark, perf 11, HORIZONTAL PAIR ERROR IMPERFORATE BETWEEN, large part original gum, with lovely fresh colour. One faintly toned perforation tip mentioned purely for accuracy, still very fine and rare. Probably only 12 pairs existed, and not handled by us before. Clear British Philatelic Association certificate (2017).
[N.B. Much rarer than the vertical pairs, imperforate horizontally (SG 260b), of which a whole sheet may have existed]. Mint. SG 260a