In Self-portrait with fur hat, Ferdinand Keller presents himself in a traditional fur hat, which adds a sense of warmth and intimacy to the piece. The color palette is dominated by earthy tones, with rich browns and subtle highlights that bring depth to his facial features. The background is relatively muted, allowing the viewer to focus on Keller's expression and attire.

His gaze is direct and engaging, inviting the viewer into his world. The painting is executed in oil on canvas, a medium that allows for fine detail and texture. Keller's brushwork is precise, capturing the nuances of light and shadow on his face and the fur of the hat. The dimensions of the work are approximately 60 x 80 cm, making it a medium-sized portrait that can easily command attention in a gallery setting.

The realism in his portrayal reflects the techniques and styles prevalent in the late 19th century. Ferdinand Keller was a notable figure in the German art scene during the 19th century, known for his portraits and genre scenes. This self-portrait showcases not only his skill as an artist but also his ability to convey personality and character through his work. Interestingly, Keller often painted his contemporaries, making this self-portrait a rare glimpse into his own identity.

His choice of attire and the directness of his gaze suggest a confident and introspective artist.