Restoring the original patina of an antique porcelain sculpture requires a delicate balance of cleaning, retouching, and preservation techniques. Here are the most effective methods to achieve authentic results:

1. Gentle Cleaning: Use a soft brush or microfiber cloth with distilled water to remove surface dirt. Avoid harsh chemicals that may strip the patina.

2. Retouching Faded Areas: For minor wear, apply diluted acrylic paints or ceramic pigments matched to the original colors. Layer thinly to maintain authenticity.

3. Wax or Resin Protection: A light coat of beeswax or archival-grade resin can enhance the patina’s luster while protecting it from further damage.

4. Avoid Over-Restoration: Preserve the sculpture’s historical value by retaining subtle age marks that contribute to its character.

5. Professional Consultation: For valuable pieces, consult a conservator specializing in ceramics to ensure safe, museum-quality restoration.

By following these steps, collectors can revive the beauty of antique porcelain while preserving its historical integrity.