Lot 40362 – 1841 2d Blue pl.3 SH-SI pair with very good to lar

1841 2d Blue pl.3 SH-SI pair with very good to large margins, with BOTH RED MC AND BLACK MC, cert. stating that it was cancelled in error in red then corrected with the black, very fine and thought to be unique, red MC alone is now unpriced in SG and was previously £20’000 per stamp, a line engraved rarity, cert. RPS (2008)