Academic portrait with cross-hatching and sepia tones reveals structure

Subject and Pose: Create an illustration that is 100% faithful to the attached reference portrait, maintaining the exact likeness, pose, and expression.

Realism Style: Focus on the face and skin, making it bright, smooth, and realistic with deep skin texture. Combine oil painting techniques for dramatic modeling and bright, subtle color washes with classic charcoal realism and expressive cross-hatching for structure and shadow. Ensure the drawing is museum-quality and highly polished.

Picture Elements: Layer the artwork with fine, visible pencil strokes, detailed ink sketches, technical sketch marks, and observational drawing techniques (e.g., proportion lines, texture studies) across the canvas, displaying academic precision.

Color Palette: Limit colors to a sophisticated mix: warm earth tones and rich sepia graphite for shadow and structure, contrasted with soft, delicate oil pastel strokes (e.g., soft peach, pale blue, sage green) that match the colors of the attached subject.  The general background should be a rich, dark sepia tone with charcoal, with exterior scenes in soft pencil lines and pastel washes.

Presentation: Use a textured oil canvas as the base. Balance scientific rigor with artistic expression, featuring elegant negative space and atmospheric depth. The presentation should be an editorial fine art portfolio, visualizing both classic academic imagery and contemporary conceptual portraiture.

Restrictions: Avoid cartoonish styles, comic book styles, digital plastic renderings, text, and glossy CGI. The aspect ratio should be 9:16.