1855 DIE 1 PL.193 (TL OI) (SG17) USED ON COVER. Wrapper London to South Molton, Devon with 2 x die 1 1d pl.193 S.C.16 lettered TL and OI, both centred high but attractively cancelled London "18" inland office numerals. Backstamped JA.10.1855. TL MISSING IMPRIMATUR LETTERING. Filing fold clear of stamps. Attractive usage. (Ref 100274).