Frequently Asked Questions

We operate globally, with expert teams, researchers, and forensic specialists based in major cities such as Amsterdam, Paris, London, and Washington.

1. Submit high-resolution images of your artwork’s front, back, and signature.
2. Provide the artwork’s dimensions.
3. Include provenance details.
4. Receive a service quote after the initial evaluation.
5. Make the payment to proceed.
6. We conduct a thorough scientific and historical analysis.
7. A detailed authentication report is provided upon completion.

Physical examinations are usually conducted after initial research but can be scheduled earlier to accommodate your needs.

The timeframe depends on the complexity of the case: Straightforward cases: a few days and Complex or disputed cases: weeks or months.

The COA is included as part of the final authentication report at no extra charge.

Initial consultations are free and full authentication services start at $300, depending on the scope.

No, payment must be made upfront to maintain objectivity.

No, we do not accept post-sale payments to preserve the integrity of our services.

Yes, our authentication reports are widely recognized and accepted by leading auction houses.

We prioritize confidentiality, ensuring that all client information, including identities and artwork details, remains secure and protected.