Anyone looking to make some extra money is being encouraged to check their change for a rare 50p coin after a pair sold for more than £500 on eBay.

The pair of Kew Gardens 250th anniversary coins sold for a combined £580 at auction after attracting bids from multiple perspective buyers.

The Royal Mint originally released the Kew Gardens anniversary coin in 2009 and it quickly became extremely sought after by collectors.

Just 200,000 copies of the coin entered circulation in the UK.

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It is listed by the Royal Mint as one the rarest coins in circulation today.

The coin features the Chinese Pagoda at the Royal Botanic Gardens on the tails side and a portrait of the Queen.

Rarest 50p coins in circulation the UK?

The rarest is the Kew’s Garden 50p, which was designed to mark the 250th anniversary of the gardens in 2009. Only 210,000 coins were ever minted with this design.

The Kew Gardens 50p sells for £156.25 on average, but one seller received over £700 for one when they sold it on eBay.

The other rarest coins stem predominantly from the 2011 Olympics, with the wrestling, football and judo coins among the most valuable. Only 1.1million of each of these coins were produced.

Flopsy bunny and Peter Rabbit designs which were produced in 2018 are also highly valuable.

These coins - 1.4 million of which were minted - depict the characters from Beatrix Potter’s novels and celebrate the life of the English writer and these sell for around £5.

In 2019, 500 million coins were produced, with three new 50p designs.

These included one of Arthur Conan Doyle’s Sherlock Holmes, Paddington Bear at St Paul's Cathedral and the Tower of London.

Top 10 most valuable 50p coins, according to Royal Mint

Here is a list of the top 10 most valuable coins, when they were made and how many were minted:

  1. Kew Gardens (2009), 210,000
  2. Olympic Wrestling (2011), 1,129,500
  3. Olympic Football (2011), 1,161,500
  4. Olympic Judo (2011), 1,161,500
  5. Olympic Triathlon (2011), 1,163,500
  6. Peter Rabbit (2018), 1,400,000
  7. Flopsy Bunny (2018), 1,400,000
  8. Olympic Tennis (2011), 1,454,000
  9. Olympic Goalball (2011), 1,615,500
  10. Olympic Shooting (2011), 1,656,500