Tempera und Öl auf Holz
<bdi>Workshop of <a href="https://en.wikipedia.org/wiki/en:Andrea_del_Verrocchio" class="extiw" title="w:en:Andrea del Verrocchio"><span title="15th century Italian sculptor, goldsmith and painter (c.1435-1488)">Andrea del Verrocchio</span></a>
</bdi>
circa 1475 <div style="display: none;">date QS:P571,+1475-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external free" href="http://www.dorotheum.com/">http://www.dorotheum.com/</a>