1840 1d Black Pl.10. Fine group of eight adhesives containing a single 1d black cancelled by a black MC (QC), a matched pair (CJ) 1d black cancelled by a red MC (State 1) and 1d Red-brown (SG7, state 2 ‘O’ Flaw Corrected) alongside a horizontal pair of 1d Blacks (GK-GL) matched with a horizontal strip of three 1d Red-browns (GJ-GL, SG7). A lovely study of this difficult plate (8). Cat £6500+. (Image)