unused Block Larger Than four  6d. grey, plate 15, FA-JD block of twenty from foot of the pane showing inscription "POSTAGE SIX PENCE.", wing margins at right, very fresh unused with part to full original gum (seven stamps unmounted), some hinge remainders; some slight gum wrinkling, FA-FD creased and FD small thin, otherwise fine. A very rare and most attractive multiple. S.G. 147, £6900+. Photo
unused Block Larger Than four 6d. grey, plate 15, FA-JD block of twenty from foot of the pane showing inscription "POSTAGE SIX PENCE.", wing margins at right, very fresh unused with part to full original gum (seven stamps unmounted), some hinge remainders; some slight gum wrinkling, FA-FD creased and FD small thin, otherwise fine. A very rare and most attractive multiple. S.G. 147, £6900+. Photo

Details
unused Block Larger Than four 6d. grey, plate 15, FA-JD block of twenty from foot of the pane showing inscription "POSTAGE SIX PENCE.", wing margins at right, very fresh unused with part to full original gum (seven stamps unmounted), some hinge remainders; some slight gum wrinkling, FA-FD creased and FD small thin, otherwise fine. A very rare and most attractive multiple. S.G. 147, £6900+. Photo