Giovvani da Oriolo, Leonello d'Este, 1460, National Gallery, London
Rogier van der Weyden, Portrait of Francesco d'Este, c. 1460
Portrait of a Man in a Red Cap Hans Holbein the Younger (German, Augsburg 1497/98–1543 London) The sitter was apparently attached to the court of Henry VIII, as his livery is embroidered with the initials H[R] for Henricus Rex. The frame is original and the reverse is painted black and decorated with engraved circles.
Masaccio - Portrait of a Young Man (1425) - wood, National Gallery of Art, Washington, D.C.