1s. deep green and scarlet Watermark inverted, S.G.M47(2)b,

horizontal marginal block of 6 from the lower-right corner of the sheet with date cuts, Head Plate 2B, Frame Plate 5, a few strengthened split perforations in the margin with remainders, the other four appear unmounted original gum. A VERY SCARCE BLOCK. (S.G. as singles £1,140)