The Emperor Constantine addressing his troops c.1853-76
<bdi><a href="https://en.wikipedia.org/wiki/en:Gianfrancesco_Penni" class="extiw" title="w:en:Gianfrancesco Penni"><span title="Italian painter (1488-1528)">Gianfrancesco Penni</span></a>
</bdi>
c.1853-76
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