Celia Clemence from Restoration

She is the favorite mistress of Charles II of England in the movie Restoration.

The movie is about a young doctor whom the king orders to marry his favorite mistress for anyone suspicious of the royal affair. But the doctor breaks the King's cardinal rule by falling in love with Celia, what causes him to be expelled from the court.

c. 1660

images of this outfit:
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more about the movie: en.wikipedia.org/wiki/Restorat…