"Ultra rare" 50p coin from the London 2012 Olympics range could be worth more than £3700

A range of 50p coins was created by the Royal Mint in 2011 to celebrate the 2012 Olympic Games in London.

A range of 50p coins was created by the Royal Mint in 2011 to celebrate the 2012 Olympic Games in London.

A range of 50p coins was created by the Royal Mint in 2011 to celebrate the 2012 Olympic Games in London.

Each coin depicted a different sport, including football, judo, archery and sailing.

Each coin depicted a different sport, including football, judo, archery and sailing.

Six out of the top 10 rarest 50p coins in the UK at the moment are from the London Olympics range, according to the Royal Mint.

Six out of the top 10 rarest 50p coins in the UK at the moment are from the London Olympics range, according to the Royal Mint.

Six out of the top 10 rarest 50p coins in the UK come from the London Olympics range. (Image: Royal Mint/PA Wire)

Six out of the top 10 rarest 50p coins in the UK come from the London Olympics range. (Image: Royal Mint/PA Wire)

'Ultra rare' 50p coin that could be worth more than £3,700

'Ultra rare' 50p coin that could be worth more than £3,700

But there is a "first edition" Aquatics 50p coin from the London Olympics range that is also deemed as "ultra rare", according to Coin Collecting Wizard, and could earn you more than £3,700.

But there is a "first edition" Aquatics 50p coin from the London Olympics range that is also deemed as "ultra rare", according to Coin Collecting Wizard, and could earn you more than £3,700.

The 50p coin depicts a swimmer in action wearing a cap and goggles, with wavy lines on it to depict the water.

The 50p coin depicts a swimmer in action wearing a cap and goggles, with wavy lines on it to depict the water.

The more common version clearly shows the swimmer's face, with the wavy lines around it.

The more common version clearly shows the swimmer's face, with the wavy lines around it.

However, the rare version that could earn you a small fortune is the first edition, which has the wavy lines running over the swimmer's face.

However, the rare version that could earn you a small fortune is the first edition, which has the wavy lines running over the swimmer's face.

One of these rare Aquatics 50p coins sold on eBay last year for £3,766, according to The Mirror.

One of these rare Aquatics 50p coins sold on eBay last year for £3,766, according to The Mirror.

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Only 600 of these coins were created, according to Coin Collecting Wizard, before it was updated.

Only 600 of these coins were created, according to Coin Collecting Wizard, before it was updated.

This "error" coin is said to cause a "frenzy" among coin collectors.

This "error" coin is said to cause a "frenzy" among coin collectors.

The Coin Collecting Wizard, in a video on TikTok, added: "One of the most exciting aspects of this special 50p coin is that no one knows exactly how many entered circulation before the changes were made, only that numbers are extremely limited."