Portret van Ernst Casimir, graaf van Nassau-Dietz 1612

Willem van Swanenburg's "Portret van Ernst Casimir, graaf van Nassau-Dietz" is a 1612 etching depicting Ernst Casimir, Count of Nassau-Dietz, in full armor, standing against a backdrop of drapery. The detailed rendering of the armor and the serious expression on the count's face highlight his military prowess. The etching, now housed in the Rijksmuseum, showcases van Swanenburg's mastery of this technique, capturing both the individual and the power of his subject.