Marx protrait
Unknown author<span style="display: none;">Unknown author</span>
CC BY-SA 4.0
<a href="//commons.wikimedia.org/wiki/File:Marx_color.jpg" class="image"><img alt="Marx color.jpg" src="https://upload.wikimedia.org/wikipedia/commons/7/7d/Marx_color.jpg" decoding="async" width="567" height="728" data-file-width="567" data-file-height="728"></a>