1858 "O.U.S." UNOFFICIAL OVERPRINT TYPE 45 IN RED READING UPWARDS/PL.55 (SK)(SPEC PP148/SG40. Good used 1848 die 2 1d pl.55 rose-red on white paper (SG40) lettered SK, several short perfs at top and lower left but with very fine "O.U.S." unofficial overprint in red reading upwards (spec PP148). (Ref 109275).