In Nude sketch to the figure of St. Matthias to the painting ‘Martyrdom of St. Matthias’, we see a male figure depicted in a natural pose.

The colors are muted, focusing on the flesh tones and subtle shading that suggest volume and form. The background is minimal, allowing the viewer to concentrate on the figure itself. This sketch serves as a preparatory study for a larger composition. The drawing showcases Simmler's skill in capturing the human form with anatomical precision.

The lines are fluid and dynamic, suggesting movement and life within the figure. The use of light and shadow enhances the three-dimensionality of the body, making it appear almost lifelike. As a sketch, it reveals the artist's thought process and the evolution of his ideas. Józef Simmler was a Polish artist known for his religious themes and academic style.

This particular sketch is interesting as it represents a direct connection to his larger work, the ‘Martyrdom of St. Matthias’. It highlights the importance of preparatory studies in the artistic process, showing how artists develop their ideas before executing a final piece.

Simmler's work often reflects the influence of the academic tradition in 19th-century art.