Frequently Asked Questions

We operate globally with a network of experts, researchers, forensic specialists, and laboratory technicians based in major cities including Amsterdam, Paris, London, and Washington.

1. Start by sending high-resolution images of the front, back, and any signatures on your artwork.
2. Include the artwork’s dimensions.
3. Provide details on its background, such as provenance, past ownership, and exhibition history.
4. We will assess this information and issue a service quote.
5. Once the quote is accepted, payment is required to begin.
6. We conduct an in-depth examination, which includes scientific and historical analysis.
7. Upon completion, you will receive a comprehensive authentication report.

Examinations typically occur after the research phase, but we can arrange early assessments to meet your schedule and specific requirements.

Our testing methods may include:

• Material analysis
• Dating techniques
• Specialized photography
• Forensic studies

The timeframe depends on the piece's complexity. Straightforward cases can take a few days, while more complex or disputed works may require several weeks to months.

There is no separate charge for a COA. If your artwork is verified as authentic, the COA is included in the final report at no extra cost.

Preliminary services, such as answering inquiries or providing an initial valuation, are free. Advanced services are fee-based, starting at $300, depending on the work’s scope and complexity.

Payment is required upfront to ensure the impartiality of our process and avoid conflicts of interest.

No, post-sale payments are not accepted, as they could compromise our objectivity.

Yes, our authentications are acknowledged by major auction houses worldwide. Our thorough reports, backed by scientific and historical data, meet high industry standards.

We prioritize your privacy and confidentiality. Whether you are a private collector, museum, gallery, or law firm, we are dedicated to protecting your identity and sensitive information. We do not share details about our clients or specific services rendered.