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

1851, 1 d. red, plate 101, lettered OC, Archer Perf. 16, used on cover in combination with 1 d. red, imperf, plate 115, lettered JL, four good margins all round, dated 14 July 1851, sent from the House of Commons, with Library seal on reverse, tied by London district "53", slight soiling, otherwise very fine example; one of only eight known mixed-frankings of Archers used in combination with imperf. stamp; an important rarity and attractive usage. Accompanied by a matched imperf. from the same Archer plate/position.rnReference: "Mixed-franking Covers", by R.C. Simpson & K.A. Louis, MJ Publications, 2020, page 62 and 72. rnProvenance: Spink, London, 7 December 2007, lot 1364; Argyll Etkin, London, 6 March 2015, lot 26. rn