Image source, Sotheby'sImage caption, The signed trainers were bought by Nick Fiorella, a well-known collector
A pair of trainers worn by the US basketball star Michael Jordan have sold for a record $1.47m (£1.1m) at auction.
Jordan used the pair of red and white Nike Air Ships during his first season with the Chicago Bulls in 1984.
That was the year he and Nike began their collaboration to create his signature brand of clothes and shoes.
The price is the highest ever paid for game-worn footwear from any sport.
Jordan is seen by many as the best player in the history of basketball.
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The shooting guard, who spent most of his career with the Chicago Bulls, became a global icon and helped raise the NBA's profile around the world.
Jordan, who retired in 2003, also became the first billionaire player in NBA history.
Image source, Getty ImagesImage caption, Michael Jordan – seen here in 1998 – is considered the greatest basketball player of all time
"This record-breaking result for the Jordan Nike Air Ships affirms the place of Michael Jordan and the Air Jordan franchise at the pinnacle of the sneaker market," said Sotheby's Brahm Wachter after Sunday's auction in Las Vegas.
The signed trainers were bought by Nick Fiorella, a well-known collector.
Before the auction, they had been estimated to sell for between $1m and $1.5m.
They are, however, not the most expensive trainers ever sold. That record belongs to the rapper Kanye West, whose Nike Air Yeezy 1 Prototypes fetched $1.8m via a private sale in April.
The record price for trainers has been broken several times in recent years, and the market now attracts interest from general buyers as well as leading collectors.