Portrait of <a href="https://pl.wikipedia.org/wiki/Longinus_Anton_Jungnitz" class="extiw" title="pl:Longinus Anton Jungnitz">Longinus Anton Jungnitz</a> (1764-1831)
<bdi><a href="//commons.wikimedia.org/wiki/Category:18th-century_portrait_paintings_of_men,_artist,_location_and_year_missing" title="Category:18th-century portrait paintings of men, artist, location and year missing">Unidentified painter</a>
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