Peter Paul Rubens, The Feast of Herod (recto); Tomyris with the Head of Cyrus (verso), c. 1637–38, pen and brown ink, with black and red chalk, touched with white gouache, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/131583

Jacob Jordaens, The Conversion of Saul with Christ and the Cross, c. 1645–47, brush and brown wash, gouache and watercolor over black and red chalk, heightened with traces of white; framing lines in graphite, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/131791