Alexander of Byzantium. Mosaic portrait in Hagia Sophia, Constantinople
Unknown author<span style="display: none;">Unknown author</span>
10<sup>th</sup> century <div style="display: none;">date QS:P,+950-00-00T00:00:00Z/7</div>
English Wikipedia, <a href="https://en.wikipedia.org/wiki/Alexander_(emperor)" class="extiw" title="en:Alexander (emperor)">en:Alexander (emperor)</a>