<bdi>Attributed to <a href="https://en.wikipedia.org/wiki/en:Carl_Graeb" class="extiw" title="w:en:Carl Graeb"><span title="German architect and theater decor painter (1816-1884)">Carl Graeb</span></a>
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<a rel="nofollow" class="external text" href="http://www.smb-digital.de/eMuseumPlus?service=ExternalInterface&amp;module=collection&amp;objectId=960468&amp;viewType=detailView">Alte Nationalgalerie</a>