North America

The only known set of unbound sheets for JK Rowling’s debut 1997 novel 'Harry Potter and the Philosopher’s Stone' will be offered by Heritage Auctions in Dallas on May 8-9.

The 10th edition of TEFAF New York returns between May 9-13. One London dealer is hoping to make a splash with its first showing

The only known bass drumhead featuring John Bonham’s personal symbol – the interlocking rings that became his mark after Led Zeppelin’s fourth album – knocked down at $70,000 (£53,000) plus 25% buyer’s premium on April 17 at Heritage Auctions in Dallas.

The J. Paul Getty Museum in Los Angeles has bought a 16th-century painting by Spanish Renaissance painter Luis de Morales (1509-86).

With oversea buyers disadvantaged by international regulations, American bidders led the way during Asia Week New York

An archive of photographs, article notes and correspondence belonging to a Polish journalist documenting the Spanish Civil War sold above estimate at Doyle New York.

Dealer Les Enluminures has sold a ‘pioneering-feminist’ medieval manuscript to the Getty Museum in Los Angeles.

The oldest known medieval Jewish artefact, a Kiddush cup from the 11th or 12th century, is being offered at Sotheby’s later this year.

An original artwork by Jackie Kennedy (1929-1994) created just one month before the assassination of her husband, US President John F Kennedy, drew strong demand at a recent Bonhams sale.

The “rarest crowntainer” on the market has become the most expensive beer can ever sold as market shows no sign of letting up