Market news

Here we present articles in Portuguese about the market for autograph documents.

Medieval Musical Notations Discovered in 9th-Century Manuscript

Proust's papers: a large table covered with manuscripts.

Autograph containing rare self-portrait of John Lennon sells for £55k at Bristol auction

Historic letter that marked Margaret Thatcher's rise to power is discovered hidden in a garage.

Previously unpublished manuscript by Portuguese poet about Christopher Columbus discovered.

Lost text by Jack Kerouac found with mafia boss.

Luís Carlos Prestes' son reveals unpublished manuscript by his father, kept for decades.

A 1942 notebook purchased at auction reveals the escape of a British soldier from the Nazi clutches.

Unpublished work by Mozart discovered in Leipzig, Germany.

Bon Jovi's record label and fake autographs; understand the controversy.

Author innovates with tokenized autograph at physical book launch in June.

Harry Potter: Original cover artwork auctioned for US$2 million.

Walt Disney made an unexpected visit to Curitiba and signed documents for fans 80 years ago.

Einstein's letter, a precursor to the Manhattan Project, could be sold for 3.7 million euros.

'Atomic Bombs' report signed by Oppenheimer goes up for auction

Rare autographs from Elon Musk and Steve Jobs are going up for auction, and interest is exploding.

Voynich Manuscript: the enigmatic book whose contents have never been deciphered.

Jimi Hendrix's autograph sold for nearly 38,000 reais at auction.

The historical collection of samba musician Elton Medeiros is rescued before it goes to waste.

Tom Brady details how his autograph has changed over time.

Original Sherlock Holmes manuscript could fetch over R$6 million at auction.

Annie Lennox donates manuscript of Sweet Dreams to raise funds for Palestine.

Why Van Gogh's letters suggest the painter suffered from bipolar disorder, according to researchers.

A napkin bearing Messi's signature from his first contract with Barcelona will be auctioned for nearly R$2 million.

These ancient texts were illegible. Now technology is decoding them.

An exceptional manuscript of Camus' 'The Stranger' is going up for auction.

Russian scientists teach AI to read fragile ancient scrolls without unrolling them.

Vatican arrests former employee for attempting to sell stolen manuscript.

Pessoa's historic letter to Torga was donated to the National Library.