Liselotte von der Pfalz wears late 1600s mantua with a somewhat high headdress.
The slim mantua and lack of a headdress à la Fontanges suggest 1680s to me.
Keywords: Liselotte von der Pfalz, French, Wittelsbach family, Orleans family, Borbon family, Habsburg family, Duchess, high curly coiffure, vee neckline, scoop neckline, bertha, lace,, slashed sleeves, elbow length close sleeves, deep vee waistline, mantua, train, fan