c. 1955; view of the Detroit River and the Detroit skyline from Windsor Ontario; the tallest Detroit building visible is the Greater Penobscot Building built in 1928; the next tallest building to the right (east) is the Guardian Building, built between 1928 and 1929; on the left side of the postcard in the foreground, the bow of the cargo ship Grainmotor can be seen; Grainmotor was launched in 1929 and operated until 1964; it was sold and then sank in 1974.