Pieter Adraensz. van der Werff, by Jan de Bisschop

Bust of pieter adraensz. Van der werff (1529-1603), after hendrick de keyser (1565-1621). Date: 17th century. Dimensions: height: 21.2 cm (8.3 in); width: 13.3 cm (5.2 in). Medium: black chalk, pen and brown ink and wash.