plate flaw; a couple of trivial imperfections do not detract from the appearance or rarity. One of the finest Double Head pieces extant. S.G. 166b" /> unused 1910-13 £1 scarlet and reddish mauve, a wonderful mint horizontal pair [1-2] of the error of colour from the upper left corner of the sheet, [2] showing the<I> "gash in ear"</I> plate flaw; a couple of trivial imperfections do not detract from the appearance or rarity. One of the finest <I>Double Head</I> pieces extant. S.G. 166b | Christie's