Parri Spinelli, Navicella (recto), c. 1410s, pen and brown ink (iron gall), Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/136899

Claus de Werve, Mourner from the Tomb of Philip the Bold, Duke of Burgundy (1364–1404), 1404–10, vizille alabaster, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/135539