1854 DIE 1 PLATE 176(OL)/LAKE RED/IMPERFORATE USED ON COVER (SG11). Entire London to Hull with a very fine example in the LAKE RED SHADE lettered OL with good to very large margins tied London "11" numeral. Backstamped FE 1 1854. RPS cert states "1d lake red..... pl.176 used on letter sheet is genuine". Plate Cat. £2900 off cover. (Ref 71750).