Princess Frederica Charlotte of Prussia by Joseph Friedrich August Darbes (location unknown to gogm)
Limited spot removal throughout image with Photoshop by gogm.
The Princess is dressed in casual style that looks post-Revolutionary at first glance, but it is also in accordance with British casual style seen repeatedly in the last album. The coiffure is pre-Revolutionary British casual.
Keywords: Darbes, Duchess Frederica Charlotte of York, Hohenzollern family, Welf family, Princess, Duchess, British, long straight coiffure, ribbon headdress, scoop neckline, upper flared sleeves, waist band, natural waistline