In En gammel fisker Brystbillede, we see an elderly fisherman with a weathered face and deep-set eyes. His expression reflects a life spent at sea, surrounded by a muted color palette of browns and greens. The background is simple, focusing attention on the figure, which is rendered with great detail.

The play of light and shadow adds depth to his features, emphasizing the textures of his skin and clothing. The painting is executed in oil on canvas, showcasing Carl Bloch's skill in capturing realistic human expressions. The dimensions are approximately 60 x 80 cm, making it a medium-sized portrait. The brushwork is meticulous, allowing for intricate details in the fisherman’s face and attire.

The overall composition adheres to the principles of realism, presenting a lifelike representation of the subject. Carl Bloch was a Danish painter known for his religious and historical works, but he also created many portraits. This particular painting reflects his ability to convey character and emotion through facial expressions. Interestingly, Bloch often painted subjects from everyday life, which was somewhat unusual for artists of his time.

His works remain significant in the study of 19th-century realism.