GB QV 1880 SG163var 1s Orange Brown Plate 13 AL Imprimatur Unissued Rare

Fine lightly mounted mint. Lovely colour and impression. No faults. Very fine gum. Imperforate Imprimatur lettered AL, from when the plate was re-registered after alteration. Unissued. Usual ones are purple, much scarcer in orange. Very Rare of only 22 possible examples, many of which are in institutional collections SG cv £6000
A super surface printed issue for your collection.