Portrait of <a href="https://en.wikipedia.org/wiki/Pope_Caius" class="extiw" title="en:Pope Caius">en:Pope Caius</a> un the <a href="https://en.wikipedia.org/wiki/Basilica_of_Saint_Paul_Outside_the_Walls" class="extiw" title="en:Basilica of Saint Paul Outside the Walls">en:Basilica of Saint Paul Outside the Walls</a>, Rome
Unknown author<span style="display: none;">Unknown author</span>
<a href="//commons.wikimedia.org/wiki/File:PCaius.jpg" title="File:PCaius.jpg">File:PCaius.jpg</a>