unused Block Larger Than four  PF-TH block of fifteen from foot of the sheet showing inscription and guide lines, wonderfully fresh unused with almost full original gum (only PF-PH having been mounted), black mark on reverse of QF-QG showing through on surface of QG, otherwise fine. A beautiful mulitiple and extremely rare. Thought to be the largest known mint multiple of this issue. S.G. Spec. F7, £26,200. Photo
1857 (2 July) Watermark Large Crown, Perf. 14, Plate 6
unused Block Larger Than four PF-TH block of fifteen from foot of the sheet showing inscription and guide lines, wonderfully fresh unused with almost full original gum (only PF-PH having been mounted), black mark on reverse of QF-QG showing through on surface of QG, otherwise fine. A beautiful mulitiple and extremely rare. Thought to be the largest known mint multiple of this issue. S.G. Spec. F7, £26,200. Photo

Details
unused Block Larger Than four PF-TH block of fifteen from foot of the sheet showing inscription and guide lines, wonderfully fresh unused with almost full original gum (only PF-PH having been mounted), black mark on reverse of QF-QG showing through on surface of QG, otherwise fine. A beautiful mulitiple and extremely rare. Thought to be the largest known mint multiple of this issue. S.G. Spec. F7, £26,200. Photo