An Italian artist named Luciano Lattanzi had an exhibition titled “Semantic Paintings and Drawings” at the University Gallery in 1960. While logging his file, I found a mysterious stack of pen drawings, rendered in a spiderweb-like scrawl. These turned out to be made by the artist himself — you can see his signature at the bottom of the images. I realized these were templates for a promotional poster for the show. The file contained a reproduction of the following drawing, so I assume they chose this for the poster:

And here are two of the unused poster designs: