In Nicolas Sinebrychoff, Eero Järnefelt presents a detailed portrait of the Finnish brewer. The painting features warm tones, with rich browns and soft highlights that bring depth to the subject's face. Sinebrychoff is depicted in formal attire, suggesting his status and importance.

The background is muted, allowing the figure to stand out prominently. The painting is executed in oil on canvas, a medium that allows for smooth blending of colors and fine detail. Järnefelt's technique showcases his skill in capturing the textures of fabric and skin. The dimensions are approximately 70 x 90 cm, making it a sizable portrait that draws the viewer's attention.

The realistic style reflects the artist's commitment to portraying his subjects authentically. Eero Järnefelt was a significant figure in Finnish art, known for his realistic portrayals of people and landscapes. This portrait of Nicolas Sinebrychoff, created in the 1890s, highlights the artist's ability to convey personality and character through his work. Interestingly, Sinebrychoff was not only a brewer but also a prominent cultural figure in Finland.

This painting is part of a private collection, emphasizing its exclusivity.