10c Green, Imperforate (258a). Block of eight from the top left corner of the right pane, showing top sheet margin and interpane margin with guide arrow at left, original gum, small thin spot at top of position 2, scissors-cut in margin at right, light vertical crease at left, small toned spot far from the design above position 1, Very Fine appearance, full imperforate sheets of 400 of the 3c, 4c, 5c and 10c values were removed from the Bureau and became available to collectors, they were not gummed when they came from the Bureau, but were later unofficially gummed, Scott value as two blocks of four, without premium for the position

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