Frequently Asked Questions

Our team operates globally, with a network of experts, researchers, forensic specialists, and lab technicians based in major cities such as Amsterdam, Paris, London, and Washington, D.C.

To begin, please submit high-resolution images of the front, back, and signature of your artwork.

1. nclude the dimensions of the artwork.
2. Provide any relevant details about its history, provenance, past ownership, and exhibition records. We will review this information and offer a quote for our services. Once you accept the quote, payment is required to start the process. We will then conduct an in-depth examination of your artwork using scientific and historical analysis. After the authentication is completed, you will receive a comprehensive report.

Examinations typically occur after the research phase; however, we offer flexibility and can conduct early assessments if your timeline or specific needs require it.

We use a wide range of scientific techniques to authenticate artwork, including material analysis, dating methods, specialized photography, and forensic studies.

The timeframe for authenticating a Gustav Miro work depends on the complexity of the piece. Straightforward cases may take only a few days, while more intricate or disputed pieces may require several weeks or even months.

There is no extra charge for a Certificate of Authenticity (COA). If your artwork is confirmed as authentic, the COA will be included in the final report at no additional cost.

Many of our preliminary services—such as initial inquiries or providing rough value estimates—are free of charge. However, more extensive services, including detailed analysis and authentication, begin at $300, depending on the complexity of the case.

To maintain the integrity of our process and avoid any conflicts of interest, payment is required upfront for our services.

No, we cannot accept payment after the artwork has been sold. Allowing post-sale payments could create a conflict of interest that would compromise the objectivity of our evaluation.

Yes, our authentications are widely accepted by prominent auction houses worldwide. Our thorough research, detailed reports, and scientific data ensure that our findings meet the highest standards of scrutiny.

We are fully committed to protecting the privacy and confidentiality of all our clients. Whether you are a private collector, museum, gallery, or law firm, we take every precaution to safeguard your identity and any sensitive information. We do not disclose any details about the clients we work with or the specifics of the services we provide.