A professional, high-quality sepia-toned photograph of a mature, voluptuous 40-year-old French woman in an elegant, revealing vintage corset and lace stockings. The photography style is classic and timeless, with soft, nostalgic tones that highlight the delicate textures and intricate details of her attire. She has shoulder-length, wavy, chestnut brown hair styled in loose waves, enchanting hazel eyes, and is wearing vintage-inspired makeup with dark red lipstick and soft eyeliner. The setting is a luxurious, antique boudoir with ornate furniture and soft, ambient lighting creating a romantic atmosphere. The composition is a back view, capturing the graceful curve of her back and the detailed lacing of the corset, exuding timeless elegance and vintage charm.