1d. black, plate 4, AH, variety „defective check letter ‚H‘ in lower right corner“, large margins all round, tied by red „CAMELFORD undated town obliteration in addition to red pen cancellation to piece. A very rare obliteration, just ten items with the red CAMELFORD obliteration recorded in the Karl Louis Card Index, of which this with a full strike is certainly among the finest existing. RPSL certificate (1965) (S.G.Cat. GBP 20.000)