Lot 22 Canada #5b 1855 6d greenish grey Consort Imperforate, unused (no gum) with large margins, fresh colour and very fine. Accompanied by a 1982 R.P.S. (London) certificate stating “stained” which is actually an almost imperceptible hinge mark on back. A rare unused stamp, especially in this condition, with likely fewer than a dozen unused examples known. Ex. “Montclair” collection. Unitrade CV C$35,000.