<i>A head of a Spakenburger</i>. Studio stamp dated <i>1941</i> lower right , stamped with the date and with inscription on the reverse <i>1932-22 ex.test. Jan Ponstijn</i>. Gouache on paper, 70 x 50 cm
<bdi><a href="https://en.wikipedia.org/wiki/en:Leo_Gestel" class="extiw" title="w:en:Leo Gestel"><span title="Dutch painter (1881-1941)">Leo Gestel</span></a>
</bdi>
<a href="https://en.wikipedia.org/wiki/Christie%27s" class="extiw" title="en:Christie's">Christie's</a>, LotFinder:  entry  <a rel="nofollow" class="external text" href="https://www.christies.com/LotFinder/lot_details.aspx?intObjectID=1464602">1464602</a>