Self-portrait
Alexander Koester (1864-1932)
before 1932 <div style="display: none;">date QS:P,+1932-00-00T00:00:00Z/7,P1326,+1932-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://www.koester-stiftung.eu/alexander-koester.html">Koester Foundation</a>