"Portrait of Queen Maria Theresa of Saxony, Archduchess of Austria (1767–1827)", Georg Weikert, 1780s or 1790s
Presumed portrait of landgravine augusta wilhelmina of hesse-darmstadt (1765-1796), duchess of zweibrücken, misidentified with maria theresa of austria, queen of saxony (1767-1827), wife of anton i of saxony
identification proposed by user ecummenic (talk) based on the comparison with some portraits of that princess (see images below). Object Type: painting. Date: 1780s or 1790s. Dimensions: height: 62.5 cm (24.6 in); width: 54 cm (21.2 in). Medium: oil on canvas. Collection: Unidentified location. Presumed portrait of Augusta Wilhelmine of Hesse-Darmstadt, so-called Maria Theresa of Austria