Lot 50818 – 1885-91 Wmk Crown CA 4d grey-black, unused without

1885-91 Wmk Crown CA 4d grey-black, unused without gum, block of four, showing wmk sideways (to left from back), showing diagnostic imperf margin at right, slight crease affecting three stamps and some reinforced perfs., very fine and a scarce multiple from the sheet retained in the printer’s archive (SG £1’800+)