1854 '268' NUMERAL OF SEAHAM (DURHAM) IN DARK BLUE ON COVER (SPEC C1ub). Fine envelope Seaham to Coopers Hall London with good to fine Die 1 pl.182 S.C.16 (SG17) lettered RH, a little off centre, tied very fine strike '268' numeral of Seaham in DARK BLUE. On reverse SEAHAM date stamp AU 13 1854 in same shade of dark blue and FENCE-HOUSES date stamp in brown AU 13 1854. Fine usage. (Ref 69505).