Well, it's taken six months, but I'm back to scanning that cast of
marvelous Italian characters into the digital archive. I started again when trying to be timely by posting an antique image of a pope. Still have not found one among the 88 hand-colored plates in the Costumi Dei Secoli. The book was published in Firenze (Florence) in 1837, so there is bound to be a pope somewhere.
I'll keep searching. Meanwhile, here's a look at who I did find ...