This image shows <a href="https://en.wikipedia.org/wiki/Carl_Friedrich_August_Freiherr_Dathe_von_Burgk" class="extiw" title="en:Carl Friedrich August Freiherr Dathe von Burgk">Carl Friedrich August Freiherr Dathe von Burgk</a> (1791-1872). Dathe von Burgk was owner of a coal and iron company in <a href="https://en.wikipedia.org/wiki/Freital" class="extiw" title="en:Freital">Freital</a>. He was one of the most successful   indutrialist in <a href="https://en.wikipedia.org/wiki/Saxony" class="extiw" title="en:Saxony">Saxony</a> during the 19th century.
<a href="https://en.wikipedia.org/wiki/Louis_Ferdinand_von_Rayski" class="extiw" title="en:Louis Ferdinand von Rayski">Louis Ferdinand von Rayski</a> (1806-1890).
Walter Fischer: Aus der Geschichte des sächsischen Berg- und Hüttenwesens, Hamburg 1965, S. 137