Anonymous portrait of <a href="https://en.wikipedia.org/wiki/Johannes_Gutenberg" class="extiw" title="w:Johannes Gutenberg">Johannes Gutenberg</a> (1400-1468), dated 1440
<bdi><a href="//commons.wikimedia.org/wiki/Category:Portrait_paintings_of_men,_artist_and_year_missing" title="Category:Portrait paintings of men, artist and year missing">Unidentified painter</a>
</bdi>
Gutenberg Museum