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

The Royal Mint created a range of 50p coins in 2011 to celebrate the 2012 Olympic Games in London. Each coin depicted a different sport, including football, judo, archery and sailing.

The Royal Mint created a range of 50p coins in 2011 to celebrate the 2012 Olympic Games in London. 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 coin collecting website Coin Collecting Wizard.

Six out of the top 10 rarest 50p coins in the UK at the moment are from the London Olympics range, according to coin collecting website Coin Collecting Wizard.

But there is a "first edition" Aquatics 50p coin from the London Olympics range that is also deemed as "ultra rare", which 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", which 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 coin was updated in 2011 after it was noticed that the wavy lines were running over the swimmer's face, according to Coin Collecting Wizard.

The coin was updated in 2011 after it was noticed that the wavy lines were running over the swimmer's face, according to Coin Collecting Wizard.

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.

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."