Would you like an opinion on your document?

  • Assessments are free. | The normal response time is 24 hours, including weekends. We make it a point to respond to all requests and answer all questions simply.
  • Authentications are charged. | The amount charged for authentication is fixed at BRL 500 per document or 10% of the document's market value for pieces valued at BRL 5,000 or more. The deadline for delivery of the report is one week, by e-mail, plus an additional 15 working days, by mail. If the document is assessed as reproduction or forgery, we do not issue a report and do not charge.

Mathias Meyer Opinion

Important : in all cases, our team guarantees total discretion and confidentiality.

⚡ We need UNCROPPED and CLEAR images .


👉 You have 2 options to get in touch, you can choose between:


1. Chat via Whatsapp (only audios or messages), just click the green "talk to us" button that appears here at the bottom right of your screen:

2. Send an email to contato@glorias.com.br