In the porch of S. Giovanni in Laterano is this ancient statue of an emperor, once thought to be Constantine himself. In fact it is his son Constantius II.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/93226994@N00">Anthony M.</a> from Rome, Italy
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/93226994@N00/42275988/">Constantius II</a>