Retrato de Artista à Luz de Lampião

A dark, intimate painterly self-portrait in the style of an old master sketchbook study. Subject: [a middle-aged woman artist] seated at a worn wooden table, leaning forward toward the viewer with a calm, searching, slightly tired expression, warm brown eyes, loose dark curly hair gathered messily back, wearing a rumpled charcoal-gray linen shirt with rolled sleeves. Composition: Vertical waist-up portrait, three-quarter frontal view, with the face centered in the upper half and hands dominating the lower half. One hand rests flat on an open sketchbook; the other hand extends palm-up as if offering a thought. Lighting: Chiaroscuro lighting originating entirely from a single glowing oil lamp on the lower left, casting warm amber light across the table, face, hands, and sketchbook, while the background recedes into deep smoky blue-black shadows. Key Objects (exactly six): The seated artist, one large open sketchbook showing delicate graphite anatomical and organic pencil sketches alongside dense illegible handwritten notes, one lit glass oil lamp at the left, one clear glass jar holding drawing brushes and tools at the lower left, and two dark pens resting parallel on the right side of the table. Style & Texture: Expressive layered oil paint, charcoal-like scratches, worn paper texture, muted earth tones, ochre highlights, gray-brown fabrics, and visible painterly brushwork. Details: A small handwritten note in the lower right corner inscribed '[present tense.]'. Mood: [quietly vulnerable, introspective, human, and timeless]. Constraints: No clean digital polish, modern objects, bright colors, smiles, decorative backgrounds, or readable large text beyond the specified small note.