Painter Working, Observed by Nude Model from Le Chef-d'œuvre inconnu is an etching created by Pablo Picasso between 1927 and 1928, eventually published in 1931. This specific print belongs to a renowned series of thirteen etchings commissioned for the illustrated book edition of Honoré de Balzac's 1831 novella, Le Chef-d'œuvre inconnu (The Unknown Masterpiece). The commission provided the Spanish artist with a thematic vehicle to intensely explore the creative act, a central concern in his work during the late 1920s and early 1930s.
The imagery directly reflects the narrative concerns of Balzac's text, a story that profoundly examines artistic frustration, the pursuit of aesthetic perfection, and the sometimes-fraught relationship between the creator and their muse. The scene depicts a bearded painter, deeply engrossed in his work at the easel, while a nude model observes him intently from the edge of the studio. Picasso utilized the fine line quality inherent in the etching technique to capture the intense, intimate atmosphere of the atelier. The light handling and classical composition of the figure drawing are characteristic of Picasso’s style during this transitional period, blending classical figuration with the emerging influence of Surrealism.
Although the etchings were executed in 1927–28, the completed illustrated book, featuring the text alongside Picasso's graphic images, was finally published in 1931 by Ambroise Vollard. These unique sets of prints are categorized specifically as an Illustrated Book within major museum classifications. This important work, which demonstrates Picasso’s sustained commitment to printmaking throughout his career, is housed in the collection of the Museum of Modern Art (MoMA), recognized globally for its extensive holdings of modern prints and illustrated volumes. The availability of high-quality reproductions of these early twentieth-century prints through museum and public domain initiatives ensures broad access to this defining work of modern graphic art.