Glasgow High Street mural, by Sam Bates, aka Smug.  It is said to depict St Mungo in civilian clothes.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/64771032@N00">Paul Trafford</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/paultraf/42281065602/">Glasgow High Street mural, by Smug</a>