According to Wiggins and Gourley, Shelley spent a year in Genoa after Percy's death and might have been to Genoa's Cathedral of San Lorenzo.
The latin inscription reads "Jan(us) P(ri)mu(s) rex italie * De Progenie Gigantiu(m)" which shows that Janus was the founder of the citry.
The Cathedral is picture below, as well as the Latin inscription

Parent Map
Vetted?
No