A guess, not an answer. You'll see what everyone else said.
Machine-generated description — written by an image model, not by a person.
Vintage split-image portrait of two children in early 20th-century attire, one seated at a wooden table with a typewriter, the other standing in a garden. Darkroom-style contrast highlights textures—knit sweater, floral wallpaper, and overgrown foliage. Likely mid-1900s, Western Europe/USA.