cutting error

Lot 552 Canada #459a var 1968 6c Orange Centennial Booklet of 25 with Error of Cutting, thus creating a pane showing “label, stamp, label” at top. Mint never hinged and very rare. Accompanied by a 2021 Greene Foundation certificate. BK60b. Unitrade CV$5,000, sold for C$5,600.00 plus 17% buyer’s premium