Lot 615, Canada 2015 Hoodoos UNESCO souvenir sheet (recalled) on First Day Cover, sold for C$643 July 14, 2022 by Sparks Auctions Lot 615 Canada #2844 2015 Recalled Hoodoos UNESCO Souvenir Sheet on Official Canada Post First Day Cover, very fine and popular. Unitrade CV$600, sold for C$550.00 plus 17% buyer’s premium.