In Brief Cornelis, Alfred Ost depicts a man with a thoughtful expression. The color palette is warm, featuring earthy tones and soft highlights. The background is subtly blurred, drawing focus to the figure.

The man's attire suggests a formal setting, enhancing the portrait's dignity. The painting is executed in oil on canvas, a medium that allows for rich textures and depth. Viewers can observe Ost's attention to detail in the man's facial features and clothing. The brushwork is smooth, contributing to the lifelike quality of the portrait.

The dimensions are approximately 60 x 80 cm, making it a medium-sized work. Alfred Ost was a Belgian painter known for his portraits and genre scenes. Brief Cornelis reflects his skill in capturing the nuances of human expression. An interesting fact about this work is that it showcases the Realism style, emphasizing the importance of depicting subjects as they are.

Ost's works often convey a sense of intimacy and connection with the viewer.