Silhouettes were once among the most popular forms of art. Anyone could afford a silhouette because they were sold in resort gift shops and on seaside boardwalks. The one my mother had made of me came from Coney Island.
Thinking how you could combine a Canadian hotel postcard with two light bulb postcards would likely cause a headache, but then add two Great Lake sidewheelers that were converted to U. S. Naval vessels, and you get a very peculiar trilogy. Enjoy the read.