Provenance documentation is crucial for verifying the authenticity and value of antique porcelain sculptures. Here are the best methods to ensure accurate records:

1. Historical Research: Trace the sculpture’s origins through archives, auction records, and museum databases. Look for maker’s marks, reign marks, or workshop signatures to identify periods and artisans.

2. Expert Appraisal: Consult specialists in antique porcelain to authenticate age, style, and craftsmanship. Certificates from recognized institutions add credibility.

3. Photographic Documentation: High-resolution images capturing details like glaze, cracks, and repairs help track condition over time. Include scale references for size verification.

4. Provenance Chain: Maintain a clear ownership history, including bills of sale, exhibition records, or inheritance documents. Gaps in history may raise red flags.

5. Scientific Analysis: Techniques like thermoluminescence testing or X-ray fluorescence can verify materials and age, especially for high-value pieces.

6. Digital Records: Use blockchain or secure databases to create tamper-proof logs of transactions and restoration work.

By combining these methods, collectors and historians can preserve the legacy of antique porcelain sculptures while safeguarding their market and cultural value.