Lot 641, Canada 1935 twenty cent dark carmine Special Delivery plate proof, VF, sold for C$288 July 24, 2020December 13, 2018 by Sparks Auctions Lot 641 Canada #E6P 1935 20c dark carmine Special Delivery Plate Proof, on card-mounted India paper, fresh and very fine. Unitrade CV$350, sold for C$250.00 plus 15% buyer’s premium.