Mathias Meyer has been an expert in autographs, manuscripts, and historical documents since 2010. A member of the International League of Antiquarian Booksellers (ILAB), he works with collectors, sellers, institutions, sports clubs, and auction houses in Brazil and abroad.

What you get in less than 24 hours

Analyses are performed by Mathias Meyer, not by artificial intelligence.

✔ Professional opinion on the item's authenticity
✔ Estimated market value
✔ Assessment of collector interest
✔ Signature identification, when applicable
✔ Guidance on selling and commercialization
✔ Information on certification possibilities

Who this service is for

✔ You inherited an item and want to know its value
✔ You wish to sell an autograph, document, or collectible item
✔ You intend to buy an item and seek a second opinion
✔ You are a collector and want to better understand a piece
✔ You are a dealer, auctioneer, or market professional

How it works

1- Send clear photos of the item

2- The analysis is performed by an expert in less than 24 hours

3- Receive your assessment via email or WhatsApp

Price

✔ R$ 90 per item.
✔ Professional packages available: 10 assessments for R$ 700.

Important

✔ The Quick Assessment is a professional opinion based on the information and images provided by the client, as well as the specialized analysis of the item.

✔ The process is 100% remote. Except in rare cases, it is not necessary to physically send the item for analysis.

✔ If a Certificate of Authenticity is later requested, the R$ 90 paid for the Quick Assessment will be fully deducted from the certificate's value.

 ✔This assessment has no forensic or legal value.

Do you own an exceptional piece?

In some cases, Glórias may buy the item directly or accept it on consignment.

Get a professional opinion before buying, selling, or certifying your item.