116145 1855 1D PL.12 MATCHED PAIR LETTERED BC S.C.14 (SG24) AND S.C.16 (SG21) SHOWING CONSTANT VARIETY.

1855 1D PL.12 MATCHED PAIR LETTERED BC S.C.14 (SG24) AND S.C.16 (SG21) SHOWING CONSTANT VARIETY. Good used 1855 die 2 1d pl.12 S.C.14 (SG24), lettered BC, several short perforations and cancelled London "33" Inland Office numeral. Matched with good used S.C.16 printing (SG21) also lettered BC, both centred low but both thereby clearly showing the excellent constant variety "THICK VERTICAL LINE EXTENDS UPWARDS FROM A OF POSTAGE". (Ref 116145).