138955 1840-1841 MATCHED PAIR 1D BLACK PL.2 (SG2) AND 1D RED (SG7) LETTERED SK.

1840-1841 MATCHED PAIR 1D BLACK PL.2 (SG2) AND 1D RED (SG7) LETTERED SK. Good to fine used 1840 1d black pl.2 (SG2) lettered SK with four close but clear to fine margins and cancelled fine strike red Maltese cross. Matched with fine to very fine used 1d red (SG7) with four fine margins and neat strike black Maltese cross. Both stamps clearly show 7 and 10 o'clock ray flaws NW square. (Ref 138955).