Auction 309-320 - Great Britain 1840–1841 Europe & Overseas - Day 5

1849, 1 d. red, plate 101, lettered AF, Imprimatur, fresh deep shade, vibrant colour, four even margins all round, with part of top marginal with inscription, showing part of the Type 1 top pin mark which were incorporated in the context of the Archer machine trials, ungummed paper, horizontal crease through top margin as is usual, as well as a small rub in top margin, a horizontal paper wrinkle centrally not running entirely across and of a more natural origin, very attractive and the last of the Archer Trial plates to be used. SG Spec. BS31 = £900.