Blue ballpoint pen portrait sketch prompt

Ultra-detailed blue ballpoint pen drawing of a middle-aged man with short curly hair and a full beard, looking slightly upward with a calm, thoughtful expression. The portrait is created using fine cross-hatching and line shading techniques, giving a realistic hand-drawn texture. Monochrome blue ink on clean white paper. A realistic blue ballpoint pen is placed beside the drawing for composition. Soft natural lighting, minimal background, high detail, sharp focus, artistic sketch style, 8K resolution.