Maria Amalia of Saxony (1757-1831), wearing blue dress, sheer fill-in, a medal suspended from a blue and red ribbon pinned to her breast, her hair worn à la conseilleur and dressed with a blue bandeau by ? (Bonham's)
She made just one other appearance in these albums, as a child with Maria Antonia Walpurgis. Now she's grown up. Her marital prospects were diminished by Maria Theresia's dynastic manouvering. Her Wikipedia article is here.
This Maria Amalia wears a 1780s bouffant coiffure adorned with a hair band and a dress with criss-cross bodice and a substantial modesty piece in this miniature.