The 1964 Canada Post Uni# SC6 Souvenir Card with envelope and 9 stamps is a rare and collectible item that showcases various denominations from the Elizabeth II era. The colorful multi-color design, along with the stamps being applied to the card, adds to its appeal as a unique piece of Canadian postal history. This souvenir card is a valuable addition to any stamp collection, with a catalog value of $7.50.