拍品專文
Cf. Erich Köllmann and Margarete Jarchow, Berliner Porzellan, Vol. II (1987), p. 387, pl. 200. Friedrich Wilhelm III's children were: Kronprinz Friedrich Wilhelm, Prinz Wilhelm, Prinzessin Charlotte, Prinz Karl, Prinzessin Alexandrine, Prinzessin Louise and Prinz Albrecht, the other two portaits are probably those of his daughter-in-law Elizabeth of Bavaria (married Kronprinz Friedrich Wilhelm in 1823) and his son-in-law Nicholas I Emperor of Russia (married Prinzessin Charlotte in 1817).