Antique metal sculptures are valuable artifacts that require careful restoration and preservation to maintain their historical and artistic significance. Here are the best practices to ensure their longevity:

1. Assessment and Documentation – Before any restoration begins, thoroughly examine the sculpture for damage, corrosion, or structural weaknesses. Document its condition with photographs and notes to guide the restoration process.

2. Gentle Cleaning – Use non-abrasive methods such as soft brushes, microfiber cloths, or specialized metal cleaners to remove dirt and grime. Avoid harsh chemicals that could damage the patina or underlying metal.

3. Rust and Corrosion Removal – For iron or steel sculptures, use rust converters or mild acidic solutions like citric acid. Copper and bronze pieces may develop verdigris, which can be carefully removed with a diluted ammonia solution.

4. Repairing Structural Damage – Small cracks or breaks can be repaired using metal adhesives or soldering, depending on the material. For significant damage, consult a professional conservator to avoid further harm.

5. Protective Coatings – Apply wax or specialized sealants to shield the sculpture from moisture and oxidation. Regular reapplication may be necessary, especially for outdoor pieces.

6. Proper Storage and Display – Keep sculptures in a climate-controlled environment with stable humidity levels. Avoid direct sunlight and extreme temperatures to prevent metal expansion and contraction.

By following these best practices, collectors and conservators can ensure that antique metal sculptures remain in excellent condition for future generations to appreciate.