, much gum of a very flat appearance; slight tears and toning at edges, trace of bend and one stamp with thin; a spectacular piece." /> unused Block Larger Than four Block of nine from the corner of the sheet, full sheet margins at left and right, and good margin at foot, with Inspector's initials in the corner and manuscript<I> "2016"</I>, much gum of a very flat appearance; slight tears and toning at edges, trace of bend and one stamp with thin; a spectacular piece. | Christie's