Great Britain 1858 2d blue Plate 7, SG45Great Britain 1858 2d Blue Plate 7, SG45 Unused Block of Four A very fine unused original gum block of four of the 1858 2d blue, Plate 7, lettered 'RK' to 'SL'. A pristine block of four, with the lower pair unmounted mint, and exceptionally well centred for this issue and plate number, making it particularly appealing to condition conscious collectors. The stamps show deep colour and clear impressions, with full perforations and strong visual symmetry