白黒ポートレートを復元する

Restore and enhance this black and white portrait photo. Remove all scratches, blemishes, dust spots, and damage. Repair any torn or missing areas naturally. Reduce noise and grain. Sharpen details and facial features subtly. Correct exposure and contrast for balanced lighting and shadows. Enhance textures and fine details. Restore faded areas for better clarity. Keep the authentic black and white look. Preserve the original face and features faithfully.