Anthony van Dyck (Flemish, 1599-1641), Jan de Wael, 1630/33. Etching and engraving in black on ivory laid paper. Image/sheet, trimmed within platemark: 24.5 × 17 cm. Elizabeth Hammond Stickney Collection, 1887.465 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Self-Portrait, 1630/33. Etching in black on ivory laid paper. Image/plate: 24.6 × 15.7 cm; Sheet: 25.7 × 16.9 cm. Clarence Buckingham Collection, 1927.391 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Paulus Pontius, 1630/33. Etching and engraving in black on ivory laid paper. Image/plate: 23 × 18.2 cm; Sheet: 25.5 × 19 cm. Clarence Buckingham Collection, 1927.392 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Frans Snyders, 1630/33. Etching in black on ivory laid paper. Image/plate: 24.3 × 15.5 cm; Sheet: 25.8 × 16.9 cm. Clarence Buckingham Collection, 1927.394 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Paul de Vos, 1630/33. Etching in black on ivory laid paper. Image/sheet, trimmed within platemark: 24.2 × 15 cm. Clarence Buckingham Collection, 1927.827 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Willem de Vos, 1630/33. Etching and engraving in black on ivory laid paper. Image: 23.9 × 13.9 cm; Plate: 24.2 × 15.5 cm; Sheet: 40.3 × 27.2 cm. Clarence Buckingham Collection, 1928.198 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Frans Francken, 1630/33. Etching and engraving in black on ivory laid paper. Image/plate: 24.7 × 15.9 cm; Sheet: 25.3 × 16.8 cm. Clarence Buckingham Collection, 1928.199 © Art Institute of Chicago

Anthony van Dyck (Flemish, 1599-1641), Lucas Vorsterman, 1630/33. Etching in black on cream laid paper. Image/plate: 24.1 × 15.6 cm; Sheet: 29.2 × 21.6 cm. Clarence Buckingham Collection, 1944.607 © Art Institute of Chicago