Brigham Young's signature.
<bdi><a href="https://en.wikipedia.org/wiki/en:Brigham_Young" class="extiw" title="w:en:Brigham Young"><span title="American religious leader (1801–1877)">Brigham Young</span></a>
</bdi>
based off <a href="//commons.wikimedia.org/wiki/File:BY_signature.gif" class="mw-redirect" title="File:BY signature.gif">File:BY signature.gif</a>