A Monkey Playing on His Back by Henri de Toulouse-Lautrec features a lively monkey in a playful pose. The monkey is depicted lying on its back, with its limbs spread out, creating a sense of movement and fun. The colors are bright and vibrant, with a predominance of yellows and greens that evoke a cheerful atmosphere.

The background is simple, allowing the monkey to be the focal point of the painting. The painting is executed in oil on canvas, a medium that allows for rich color application and texture. The brushwork is loose and expressive, typical of Post-Impressionism, which emphasizes the artist's emotional response to the subject. The dimensions of the artwork are approximately 60 x 80 cm, making it a relatively medium-sized piece.

This size allows for a detailed portrayal of the monkey's features and playful demeanor. Henri de Toulouse-Lautrec was known for his depictions of Parisian nightlife and the human condition, but he also had a fascination with animals. This painting, created in the 1890s, showcases his ability to capture the playful spirit of a monkey, reflecting his broader interest in the whimsical aspects of life. An interesting fact about this work is that it highlights Toulouse-Lautrec's skill in blending humor with artistic expression, making it a delightful addition to his body of work.