used Block of Four -- 2/6d. deep lilac, 5/- rose and 10/- pale ultramarine, each in a block of four with very neat c.d.s. cancellations; a few minor imperfections and the 10/- block with some light creasing but otherwise fine and a most attractive and rare group. S.G. 179, 180, 183a, £1920++. Photo

細節
used Block of Four -- 2/6d. deep lilac, 5/- rose and 10/- pale ultramarine, each in a block of four with very neat c.d.s. cancellations; a few minor imperfections and the 10/- block with some light creasing but otherwise fine and a most attractive and rare group. S.G. 179, 180, 183a, £1920++. Photo