Prince Philippe, Count of Flanders and 3rd son of King Leopold I of Belgium
<bdi><a href="https://www.wikidata.org/wiki/Q21557453" class="extiw" title="d:Q21557453"><span title="Belgian photostudio">Ghémar Frères studio</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://www.rct.uk/collection/2923277">Royal Collection RCIN 2923277</a> (<a rel="nofollow" class="external text" href="http://www.royalcollection.org.uk/collection/2923277/hrh-the-count-of-flanders-1837-1905">working link</a>)