A detailed etching by Albertus Johannes Theodorus Nett, depicting the Dutch painter Willem Bartel van der Kooi with precise line work.

This etching presents a focused portrait of the Dutch painter Willem Bartel van der Kooi. The work displays the technical precision characteristic of early nineteenth-century printmaking, utilising fine cross-hatching and varied line weights to define the subject's features and the texture of his attire. The artist, Albertus Johannes Theodorus Nett, captures the sitter with a direct gaze, conveying a sense of quiet observation.

The composition is restrained, typical of the period's approach to portraiture. By focusing on the head and shoulders, the artist directs attention to the facial structure and the subtle play of light across the sitter's features. The collar of the coat is rendered with darker, more dense lines, which provides a visual anchor for the lighter tones of the face and shirt. This contrast creates a sense of volume and presence despite the two-dimensional nature of the medium.

Nett, a Dutch engraver, demonstrates a clear command of the etching needle. The lines are deliberate, avoiding unnecessary flourish to maintain a sense of realism. The portrait reflects the conventions of the time, where the likeness of an artist or public figure was often documented through such prints for wider circulation. The work remains a clear example of the graphic arts in the Netherlands during the early 1800s, providing a window into the visual culture of the era. The print is marked with the artist's signature, confirming its provenance as a piece by Nett. It is a study in character, relying on the economy of line to communicate the personality of the subject.