From Wikimedia.
Queen Caroline Matilda wears an austere bivalve cap of pleated sheer material decorated with a blue ribbon matching her fur-trimmed dress.
Keywords: Juel, Queen Caroline Matilda of Denmark, Dronning Caroline Mathilde, Welf family, Oldenburg family, Princess, Queen, Danish, straight coiffure, ribboned cap, square neckline, modesty piece, fur, revers, stomacher, bows, close sleeves, neck band