Great Britain 1840 1d Greyish black Plate 11 &1841 1d Red-brown Plate 11. SG3/7Great Britain 1840 1d Greyish black Plate 11 & 1841 1d Red brown Plate 11, SG3 7. Very fine used four margin matched pair lettered EK, both neatly cancelled by black Maltese Cross. A very rare combination of the plate 11 printings. GB Specialised Catalogue Nos: AS72 & AS74. The SG catalogue price in the Great Britain Specialised Queen Victoria catalogue 2011 is 4,500 for the 1d greyish black and 130 for the 1d red brown. ALERT ME WHEN ANOTHER IS