Canada Special Delivery Postage Due Slogan 1968 Centennial Issue. Cover from Société CANADIENNE DU MICROFILM INC. – CANADIAN MICROFILM CO. LTD. Mailed from MONTREAL QUEBEC September 26, 1968. 1cent #454, 4 cents #457 and a block of four 5 cents #458 Centennial issue canceled by a slogan cancel VISITEZ-VISIT TERRE DES HOMMES MAN AND HIS WORLD, a SPECIAL DELIVERY EXPRÈS SD-8 33-86-149n (3-66) label underpaid. A T “40” CENTS circular postage due cancel is on front and a block of four 10 cents #J27 “First Issue” of the Centennial Postage Due stamps. As a receiver cancel BUREAU DE POSTE – POST OFFICE ST. EUSTACHE P.Q. with reverse day on cancel, September 26, 1968. A lovely Postage Due SPECIAL DELIVERY Centennial cover, correct usage.