c. 1965; the Canadian Club distillery of Hiram Walker & Sons at Walkerville, Canada is across the river from Detroit. At this point, Canada is south of the United States. The plant was founded by Mr. Hiram Walker in 1858; its products are known throughout the world; postcard is meant to be used for sales / marketing purposes - to set up appointments; addressed to Hiram Walker Inc. in North Haven, Connecticut.