Lot 206, Canada five cent Large Queen trial colour plate proof block of four in deep green, VF October 3, 2022 by Sparks Auctions Lot 206 Canada #26TCP 5c Large Queen Trial Colour Plate Proof in Deep Green, a block of four printed on card, with large margins all around and very fine. A very rare block, as we know of only one other from the Brigham collection. Estimate C$2,500.