Italian?? Lights

I am trying to id a string of Christmas Tree lights in the shape of picture books that I purchased new about 30 years ago at Brandeis in Lincoln, NE. I believe they are Italian but not positive. They are gorgeous and I have seen nothing anywhere like them and would love to have more of them. It is a string of books - picture attached. I have been trying to identify the originating manufacturer and country for many years - I thought they might be Silvestri from Italy but haven't been able to match.