<a href="https://en.wikipedia.org/wiki/ambigram" class="extiw" title="en:ambigram">Ambigram</a> <b><a href="https://en.wikipedia.org/wiki/Gray" class="extiw" title="en:Gray">Gray</a> <a href="https://en.wikipedia.org/wiki/Herb" class="extiw" title="en:Herb">herb</a></b>. 180° rotational symmetry. <a href="https://en.wikipedia.org/wiki/Herb_Gray" class="extiw" title="en:Herb Gray">Gray Herb</a> is also the name of a famous Canadian lawyer and politician, and that of a <a href="https://en.wikipedia.org/wiki/Herb_Gray_(Canadian_football)" class="extiw" title="en:Herb Gray (Canadian football)">Canadian footballer</a>.
<a href="//commons.wikimedia.org/wiki/User:Basile_Morin" title="User:Basile Morin">Basile Morin</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>