Canadian Pacific Steamships St LawrenceOriginal antique cruise ship travel poster for Canadian Pacific Steamships The short route St Lawrence Seaway to and from Europe featuring a sleek ocean liner sailing at sea in front of a globe on the background showing the route map from Canada and America across the Atlantic Ocean to Ireland, the UK and Europe marking the cities and ports of call with smaller images of ships shown on red lines marked Gulf of St Lawrence and Ocean Crossing Only 4