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

1851, 1 d. red, plate 108, lettered EC, Archer Perf. 16, used, cancelled by the Wigton "879" English numeral, an extremely rare example; according to explanations given in the Mike Williams collection there are only six recorded examples known from this plate; comes with an imperf. horizontal pair, lettered EC-ED, from the same plate, a superb line engraved rarity of significant importance. Cert. RPSL (2006). SG16b = £5'500. rnReference: "The Post-Trial Archer Plates", by R.C. Simpson, GB Journal, Volume 45, number 6, 2007.