Painting of Mungo Campbell of Kailzie and Hundleshope painted by <a href="https://en.wikipedia.org/wiki/Sir_Henry_Raeburn" class="extiw" title="en:Sir Henry Raeburn">Sir Henry Raeburn</a>.  Very old therefore out of copyright.  The owner has expressed his permission for its use online.
<a href="//commons.wikimedia.org/w/index.php?title=User:Profetarr&amp;action=edit&amp;redlink=1" class="new" title="User:Profetarr (page does not exist)">Profetarr</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Profetarr" title="User talk:Profetarr">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Profetarr" title="Special:Contributions/Profetarr">contribs</a>)
Photograph by original uploader