1D RED PL.XI (SG7)(OL) ON COVER USED WITHIN NORFOLK. Fine letter Hingham to Wymondham dated 23rd Aug 1841 with fine 1d red pl.XI (SG7) lettered OL with four close to good margins and tied fine black M.C. of Attleborough. On front light strike "Hingham/Penny Post" hand stamp in black (NK194) and back stamped ATTLEBOROUGH AU 23 1841. Stamp shows fine 7 o'clock ray flaw NE square. (Ref 111769).