unused -- 2/6d. deep lilac, JD, variety blued paper (from white paper period), fresh mint with almost full original gum; vertical crease but otherwise fine and most attractive. R.P.S. Certificate (1960) which identifies the stamp as S.G. 175 but has pencil note signed by Beaumont stating that it is S.G. 179a. S.G. 179a, £1750. Photo