Frequently Asked Questions

We operate on a global scale, with a network of experts, researchers, forensic specialists, and lab technicians situated in major cities such as Amsterdam, Paris, London, and Washington.

1. Start by sending us high-resolution images of the front, back, and signature of your artwork.
2. Provide the dimensions of the artwork.
3. Share relevant details about its history, provenance, previous ownership, and exhibition records.
4. We will evaluate this information and provide a quote for our services.
5. Upon accepting the quote, payment is required to proceed.
6. We will conduct a thorough examination, including scientific and historical analysis.
7. After completing the authentication process, you will receive a comprehensive report.

Typically, examinations occur after the research phase. However, we can arrange early assessments to meet your timeline and specific needs.

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

The time required varies with the complexity of the case. For straightforward pieces, it typically takes a few days. More intricate or disputed works may take from several weeks to several months.

There is no charge for a COA. If your artwork is authenticated as genuine, the COA is included in the final report at no additional cost.

Our preliminary services, such as answering questions or providing an initial value estimate, are free. More in-depth services have associated fees, starting at $300, depending on the complexity and scope of the work.

Payment is required upfront to maintain the integrity of our process and avoid conflicts of interest.

No, payment after the sale is not accepted. Accepting post-sale payments could compromise the objectivity of our evaluation.

Yes, our authentications are recognized by major auction houses worldwide. Our detailed reports, backed by scientific data and historical evidence, meet the highest scrutiny standards.

We prioritize the privacy and confidentiality of our clients. Whether you are a private collector, a museum, a gallery, or a law firm, we are committed to protecting your identity and sensitive information. We do not disclose details about our clients or the specifics of the services provided.