Monument to John Wesley in the square, Castletown. Erected to mark his visit to the town on 31st May 1777. It looks as if it's a multi-faceted sundial.
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/3495">David Long</a>
CC BY-SA 2.0
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/1728078">geograph.org.uk</a>