<a href="https://en.wikipedia.org/wiki/ambigram" class="extiw" title="en:ambigram">Ambigram</a> <b> <a href="https://en.wikipedia.org/wiki/Cognac" class="extiw" title="en:Cognac">Cognac</a> / <a href="https://en.wikipedia.org/wiki/Alcohol_and_health" class="extiw" title="en:Alcohol and health">Danger</a></b>, mirror symmetry (vertical axis), front and back, on a set of two <a href="https://en.wikipedia.org/wiki/Shot_glass" class="extiw" title="en:Shot glass">shot glasses</a> (empty and full). Humorous warning related to <a href="https://en.wikipedia.org/wiki/Alcohol_and_health" class="extiw" title="en:Alcohol and health">alcohol consumption</a>. <a href="https://en.wikipedia.org/wiki/Focus_stacking" class="extiw" title="en:Focus stacking">Focus stacking</a> from 8 pictures.
<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>