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  • EVALUATION

    Discover the market value of your item and whether it has a chance of being authentic.

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  • CERTIFICATION

    Get a professional authenticity opinion to enhance your collection or sell your item with greater confidence and at the best possible value.

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  • Rare and historic autographs for sale.

    Rare autograph documents and objects, carefully selected and guaranteed. Pieces of historical, cultural or sporting significance, from private collections, intended for collectors, institutions and enthusiasts seeking authenticity, context and quality.

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Yes, I am very happy! You are very serious, studious, detail-oriented, reliable, extremely professional, and kind. | Testimonial from the buyer of a letter by Gabriel Auguste Daubrée

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Pre-analysis

We analyze your item quickly and remotely to guide your decisions before you buy, sell, or certify.

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Certificate issuance

We issue professional certificates of authenticity for collectors, investors, clubs, companies, and institutions.

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Featured in the media

Our work has been featured in outlets such as Folha de S.Paulo, Valor Econômico, TV Brasil, History, and Veja, among others, reinforcing the recognition of the seriousness and credibility of our work.

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Soccer jerseys signed and certified by us

Buy with confidence or advertise yours: we certify your item and connect you to a qualified audience for better sales,

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Certified items

Explore a selection of rare signed pieces, chosen for their historical significance, provenance, and condition.

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Exceptional pieces and sets

  • Becoming Senna (in English)

    Two handwritten letters from Ayrton Senna to his best friend, totaling 25 pages, with previously unpublished drawings and photographs, dated 1979, document his time in European karting and the beginning of his journey towards Formula 1 at the age of 19.

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  • Alberto Santos-Dumont, le pionnier (in French)

    The most beautiful collection of manuscripts and photographs of Alberto Santos-Dumont brings together 30 decisive years of his life. These are rare and exceptional documents that reveal the aviation pioneer and also a man of great values. Introduction in French.

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  • Writings of the Empire

    This exceptional collection, spanning nearly a century of Brazilian Imperial history, offers an intimate and human glimpse into the lives of key figures such as Dom Pedro I, Dom Pedro II, and Princess Isabel, through handwritten letters, signed portraits, and previously unpublished drawings.

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  • Pelé 1958

    The most complete known autograph album of the Brazilian national team that won the 1958 World Cup, featuring signatures from legends such as Garrincha, Zagallo, and others, including one of Edson Arantes do Nascimento 's first signatures, writing 'Pelé'.

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  • Signed Jorge Amado

    Previously unpublished correspondence between Jorge Amado and Zélia Gattai and the Olinto couple, covering almost three decades of friendship: Jorge's daily life, the creative and editing process, adaptations for film and television, Afro-Bahian culture, and his relationship with Zélia.

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  • An unknown Mane-Katz

    This expressive portrait, discovered by chance in Brazil, is a previously unknown work attributed to Emmanuel Mané-Katz , depicting a man in a beret and blue scarf, possibly the artist Chaim Soutine . The painting is currently undergoing authentication.

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Museums and Institutions that are clients

In Brazil, institutions such as Fundação Oswaldo Cruz and the University of São Paulo have enriched their collections through donations or acquisitions made with us; in France, we have collaborated in the same way with the Cinémathèque Française, the Moulin Rouge, and the Musée Renoir, as well as the Nouveau Musée National de Monaco.

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