unused Block Larger Than four 2½d. deep ultramarine block of twelve with margins at both sides and unmounted mint with slightly toned gum, and 2½d. pale ultramarine block of eighteen (6x3) from the top of the pane, [1-18], with large part original gum. S.G. 27, 27a, £225

細節
unused Block Larger Than four 2½d. deep ultramarine block of twelve with margins at both sides and unmounted mint with slightly toned gum, and 2½d. pale ultramarine block of eighteen (6x3) from the top of the pane, [1-18], with large part original gum. S.G. 27, 27a, £225