1840 1D PL 1 MATCHED TRIO BLACKS PL. 1A IB (SG 2) AND 1D RED (SG7) LETTERED OK. A very fine 1840 1d grey-black pl. 1A with fine four margins showing good plate wear, 5 and 10 o'clock ray flaws matched with fine 1d black pl.1B with good four margins and 10 c'clock ray flaw. Both blacks cancelled fine red M.C.'s. Accompanied by fine used 1d red (SG7) pl. 1B with four margins and black M.C. (Ref 77305).