There are of course numerous postcards of the Canal of Corinth always with a ship or boat passing through it. Here are some chronologically
Canal of Corinth3.jpg
1918
Canal of Corinth2.jpg
1923?
Some more postcards of the Canal of Corinth always with a ship or boat passing through it.
Canal of Corinth4.jpg
1936
Canal of Corinth 5.jpg
1960?