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

1854, 1 d. red plate 194, lettered ML, used, exhibiting the variety "Perf. 7" at right, this variety only listed in SG on left, caused by an inverted sheet feed, also unusually this being through the "L" row, very rare inverted variety, recorded only upon plates 194 and 200, an important line engraved rarity.  SG Spec. C1m = £850+ for variety on left, unlisted on right.rnReference: "Stamp Perforation: The Somerset House Years 1848 to 1880", by R. Simpson & P. Sargent, illustrated on page 233.