A formal portrait of the Dutch merchant Jacob de Vos, painted by Wybrand Hendriks in 1811, capturing the sitter with his books and documents.

This portrait depicts the Dutch collector and merchant Jacob de Vos, captured in 1811 by the painter Wybrand Hendriks. Hendriks, who served as the curator of the Teylers Museum in Haarlem, was a skilled portraitist known for his ability to convey the character of his sitters through restrained composition and careful observation. The subject is shown in a seated pose, holding a document that bears the artist's signature and the date of completion. His attire is typical of the early nineteenth-century Dutch bourgeoisie, consisting of a dark coat and a white cravat. The composition is structured around the figure, with a heavy curtain providing a dark backdrop that directs attention to the face of the sitter. A red-bound book rests upon a table covered in a green cloth, accompanied by a pair of spectacles. These objects serve as indicators of the subject's intellectual pursuits and professional life. The lighting is focused, creating a sense of volume and presence. Hendriks employs a muted palette, relying on subtle variations in tone to define the textures of the fabric and the contours of the face. This work reflects the conventions of Dutch portraiture during the period, where the emphasis remained on clarity and the representation of the individual's social standing. The painting avoids unnecessary ornamentation, focusing instead on the psychological state of the subject. The inclusion of the book and the document suggests a man of letters and commerce, a common trope in portraits of the era intended to communicate the sitter's identity and values to contemporary viewers. The work remains a clear example of the portrait style favoured by the Dutch merchant class at the turn of the nineteenth century.