A mitre, traced from a scan of the PD Catholic Encyclopedia of 1913.
Traced by <a href="//commons.wikimedia.org/wiki/User:Stannered" title="User:Stannered">User:Stannered</a>
<a href="https://en.wikipedia.org/wiki/Image:MitreSmall.jpg" class="extiw" title="en:Image:MitreSmall.jpg">en:Image:MitreSmall.jpg</a>