Head of a Man Wearing a Helmet, Looking to Upper Left (recto); Two Sketches, Arms and Hands (verso)Francesco di Maria · 1623–90

Red chalk, highlighted with a little white (recto); black chalk studies of arms (verso)The Metropolitan Museum of Art · CC0 1.0Lindy Arts

Head of a Man Wearing a Helmet, Looking to Upper Left (recto); Two Sketches, Arms and Hands (verso)

Red chalk, highlighted with a little white (recto); black chalk studies of arms (verso)