"Maple Leaf of Canada" dress, designed by Norman Hartnell, London, 1957. Worn by Queen Elizabeth II at a state banquet at Rideau Hall, Ottawa, in 1957. Photos (Top): Musée de l'histoire | Museum of History on Flickr; (Bottom): Marie-Louise Deruaz, Canadian Museum of Civilization. Satin, velvet, sequins, beads, rhinstones, simulated pearls, plastic flowers. Beaded white roses, representing the House of York, are scattered amongst the green velvet maple leaves.