YOU could turn a tenner into a £3,600 windfall with the right serial number printed on the note.
An eagle-eyed eBay seller realised they held a particularly rare variation of the £10 note with its set of digits - and sold it for 360 times face value.
The special £10 note was snapped up for an eye-watering £3,600.
The note had the rare AH prefix followed by the numbers 1775.
That seems unremarkable, until you consider plastic tenners since 2017 have featured a portrait of the legendary novelist Jane Austen, who penned Pride and Prejudice.
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Her year of birth was 1775, making those numbers alongside her portrait strongly sought after.
The note was one of the first to feature a woman aside from the Queen.
It began to circulate in 2017 on the 200-year anniversary of Austen's death, also featuring the famous line: "I declare after all there is no enjoyment like reading!"
It came in to replace a cotton paper note featuring a portrait of Charles Darwin, withdrawn from circulation in 2018.
Others have also posted Jane Austen notes to eBay for thousands.
Currently, a Nottingham seller has one listed for a mind-boggling £5,255.
It has the serial number: AJ20 753817.
The first two letters represent the initials of the author, albeit in reverse, while also including numbers 17 and 75 - combined, they make her year of birth, 1775.
Meanwhile, a Salisbury seller has listed two notes - featuring Austen's birth and death digits - for a much lower £1,000.
The first note has the numbers 1775 in order, while the second has 1817, her year of death.
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It comes just weeks after King Charles bank notes were thrown into circulation.
The Bank of England starting printing them in late 2023, but they are only just being rolled out.
It's estimated there are still billions of Queen Elizabeth II banknotes circulating, so the monarchs will co-exist on notes for a long time yet.
The current reverse designs, along with Austen on the £10, include: Winston Churchill on the £5, JMW Turner on the £20 and Alan Turing on the £50.
