This painting was thought to be a self-portrait until 1935. A better copy of the fifteen copies of the lost Self-portrait is in the Indianapolis Museum of Art. The version in the MMA is less dark and the lips are slightly opened.
<bdi>After <a href="https://en.wikipedia.org/wiki/en:Frans_Hals" class="extiw" title="w:en:Frans Hals"><span title="Dutch painter">Frans Hals</span></a>
</bdi>
between 1648 and 1650 <div style="display: none;">date QS:P571,+1650-00-00T00:00:00Z/7,P1319,+1648-00-00T00:00:00Z/9,P1326,+1650-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://www.imamuseum.org/collections/artwork/portrait-artist-hals-frans">Indianapolis Museum of Art</a>