Portrait of <a href="https://en.wikipedia.org/wiki/en:Anna_Amalia,_Abbess_of_Quedlinburg" class="extiw" title="w:en:Anna Amalia, Abbess of Quedlinburg"><span title="Princess-Abbess of Quedlinburg">Anna Amalia of Prussia</span></a> (1723-1787), daughter of <a href="https://en.wikipedia.org/wiki/en:Frederick_William_I_of_Prussia" class="extiw" title="w:en:Frederick William I of Prussia"><span title="King of Prussia">Friedrich Wilhelm I of Prussia</span></a>
<bdi><a href="//commons.wikimedia.org/wiki/Category:18th-century_unidentified_engravers" title="Category:18th-century unidentified engravers">Unidentified engraver</a>
</bdi>
<a rel="nofollow" class="external text" href="https://www.rct.uk/collection/607583">Royal Collection RCIN 607583</a>