Constantine XI Palaiologos, the last Byzantine Emperor
Unknown Byzantine artist
<i>History of John Zonaras</i>, Mutinensis gr.122, f.294r, Biblioteca Estense Universitaria, Modena (<a rel="nofollow" class="external text" href="https://books.google.gr/books?id=AQ4VAAAAIAAJ&amp;lpg=PP1&amp;pg=PA172">details</a>).