Description
1866 1D PL.102 (SG43)(SI) 'O.U.S.' OVERPRINT IN RED READING UPWARDS 'DOUBLE IMPRESSION' (SPEC PP223a). Fine used 1866 1d pl.102 (SG43) lettered SI with 'O.U.S.' overprint in red reading upwards with a very clear 'DOUBLE IMPRESSION' (Spec PP223a), cancelled '603' numeral of Oxford. A VERY RARE VARIETY HITHERTO UNRECORDED ON THIS PLATE. (Ref 134335).