Manuel Panselinos, as the artist is known, was influential among Byzantine art for adding a sense of humanity into otherwise ...

For example, if the piece includes a signature or initials, ask to see a dictionary of artist signatures. You will probably need the help of an expert to investigate paintings and prints.

Ready to invest seriously in art? Pro tip: pay attention to the size of the artist's signature. In this case, bigger is better. That's the takeaway from a new study out in the European Journal of ...