Before that looked at a little exhibit K found out about that had some books printed by Aldus Manutius in the early 1500s --- behind glass of course. I was shocked just how good condition they were in, and by the rather high quality of the printing in the first place.
Also, it's sort of hilarious to realize that, like --- you know the concept of italics? Yeah, that was this guy. He was the first to actually do that. Over here is the FIRST BOOK THAT EVER USED ITALICS IN ALL OF THE HISTORY OF PRINTING.