on 3d. mauve, a horizontal pair variety imperforate vertically, fine unused with large part original gum. S.G. 34a, £850. Photo" /> unused 1877 (Oct.)<I> "Four Pence"</I> on 3d. mauve, a horizontal pair variety imperforate vertically, fine unused with large part original gum. S.G. 34a, £850. Photo | Christie's