Anonymous Artist, Portrait of a Young Man, c. 1650, oil on canvas, National Gallery of Art, Washington. https://dartabase.art/cite/nga/89

Anonymous Artist, Pope Innocent X, c. 1650, oil on canvas, National Gallery of Art, Washington. https://dartabase.art/cite/nga/87

Anonymous Artist, Study of an Old Man, probably late 17th century, oil on panel, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1202