Image from an identified source, wikivisually.com/wiki/File/Louise_Frederica_of_Württemberg,_duchess_of_Mecklenburg-Schwerin, posted 16 October 2016; enlarged one third.
Louise Friderike wears 1750s court dress with a full set of bows en echelle and full engageantes in this Matthieu portrait.
Keywords: Matthieu, Luise Friederike von Württemberg, Herzogin zu Mecklenburg-Schwerin, Duchess of Mecklenburg-Schwerin, Württemberg family, Mecklenburg-Schwerin family. German, curly coiffure, hair jewelry, square neckline, modesty piece, lace, bows en echelle, elbow length close sleeves, bows, engageantes, panniers, over-skirt, neck band, order sash, order star, earrings, brooch, bracelets