A fine Penny Black Plate 4 position IK with a very scarce Yellow Newham-On-Seven Cancel. Fine colour and impression. No Faults. Large margins. A magnificant investment. 
SG Catalogue of 1967 2nd Edition catalogued at £200, noting a scarce mint Penny Black VR was catalogued at £180 as a comparison. Now Unlisted. Try and find another!. Feldmans sold one in May 2009 for £6600 plus commission but was 3 margined and smudged!