15c Interior, Soft Paper, Double Transfer (O102 var). Block of four, original gum, h.r., the two right stamps showing prominent double transfers at left, including bottom right stamp Huggins Ty. IIb and top right stamp Huggins Ty. IIa, radiant color, Fine and extremely rare block with these double transfers, illustrated in Sayers Departmental Plate Varieties, Scott value as normal block of four

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