In Por una nabaja, Francisco de Goya presents a dramatic scene filled with tension. The painting features two men engaged in a confrontation, with one holding a knife. The colors are dark and muted, enhancing the sense of danger and urgency.

The background is simple, focusing the viewer's attention on the figures and their expressions. The painting is executed in oil on canvas, a common medium for Goya. The dimensions are approximately 70 x 100 cm, making it a sizable work that draws the viewer in. Goya's brushwork is loose yet deliberate, allowing for a dynamic portrayal of movement and emotion.

The use of light and shadow adds depth, emphasizing the figures' intensity. Francisco de Goya was a pivotal figure in Spanish art, known for his ability to capture human emotion. Por una nabaja is a reflection of the social tensions of his time, showcasing the darker aspects of human nature. Interestingly, this work is often interpreted as a commentary on violence and conflict in society.

Goya's ability to blend realism with dramatic flair makes this piece particularly striking.