Certified autographs, manuscripts and historical documents for sale
On this page, we have gathered autographs, manuscripts, letters, and other historical documents offered on consignment by their owners. Each piece has been previously analyzed and certified by Mathias Meyer, an expert in autographs and historical documents, with only a portion of the items submitted for evaluation being selected. Glórias acts as an intermediary in the entire sales process, including dissemination, contact with potential buyers, negotiation, payment collection, and delivery coordination. For each sale, Glórias receives a commission between 10% and 20%, depending on the advertised value and the level of intermediation required.
Check out our ethical principles.
Philatelic commemorative block of Ayrton Senna signed by the driver
Official album from Correios, covered in blue fabric, containing the philatelic piece “Formula 1 World Champion Driver – 1988” (Notice nº 4 of 1989), illustrating Ayrton Senna, with the original signature made directly on the album page. According to the owner, the signature was personally obtained from Ayrton Senna in the paddock of the Nelson Piquet International Raceway, in Rio de Janeiro, during the 1990 lap. The signature presents characteristics compatible with authentic examples produced by the driver in the late 1980s, and the analysis of the provenance, the signature, and the set supports authenticity, with a G5 classification – Exceptionally sustained authenticity.
Sale price: R$ 15,000 | Certificate MJM26CER07GLO6
This item is certified and offered on consignment by Glorias, which acts as an intermediary between the buyer and the seller, with a commission paid by the seller.
Interested in this piece? Contact Mathias Meyer via email: or via WhatsApp: +55 (31) 98221-5758.

Magdalena Tagliaferro Manuscript (1947)
Five-page autograph manuscript, written in Portuguese and dated São Paulo, January 31, 1947, attributed to the French-Brazilian pianist Magdalena Tagliaferro and related to a public ceremony of a cultural and educational nature. According to the owner's account, it remained in the family since the 1940s and was given by the artist to the lyric singer Marta Baschieri. Graphological analysis identifies characteristics compatible with known authentic examples of Tagliaferro's writing, including fluidity of stroke, graphic rhythm, and natural integration of the signature into the text. The expert opinion concludes with Level G4 – Strongly Sustained Authenticity, considering the overall graphic, material, and contextual set as very favorable.
Sale price: R$ 3,500 | Certificate MJM26CER05GLO5
This item is certified and offered on consignment by Glorias, which acts as an intermediary between the buyer and the seller, with a commission paid by the seller.
Interested in this piece? Contact Mathias Meyer via email: contato@glorias.com.br or via WhatsApp: +55 (31) 98221-5758.

