"Margravine Maria Anna Josepha Auguste of Baden-Baden, Princess of Bavaria, 1776", Peter Jacob Horemans
Presumed portrait of maria anna caroline of bavaria (1696-1750), misidentified with her niece duchess maria anna josepha of bavaria (1734-1776)
identification proposed by user ecummenic (talk) based on the comparison with a portrait of that princess painted by franz joseph winder (see image below). Object Type: painting. Date: 18th century. Dimensions: height: 50.5 cm (19.8 in); width: 39 cm (15.3 in). Medium: oil on canvas. Collection: Unidentified location. Horemans and workshop - So-called portrait of Maria Anna of Bavaria