50p coin error that makes it extremely valuable

As shared by TikTok user UKCoinHunt, the minting error appears on a small number of the commemorative Sir Isaac Newton 50p pieces.

A minting error on a 50p coin could see it sell for a small fortune, according to a coin expert.

A minting error on a 50p coin could see it sell for a small fortune, according to a coin expert.

The coin, which is in tribute to Sir Isaac Newton, was minted and issued in 2017.

The coin, which is in tribute to Sir Isaac Newton, was minted and issued in 2017.

The 50p coin is part of the Royal Mint’s standard circulation coin series and went on general release in July 2017.

The 50p coin is part of the Royal Mint’s standard circulation coin series and went on general release in July 2017.

The reverse design is by coin designer, Antony Phillips, and it takes elements of Proposition 11 from Book One of Newton's Principia Mathematica.

The reverse design is by coin designer, Antony Phillips, and it takes elements of Proposition 11 from Book One of Newton's Principia Mathematica.

The coin is a tribute to Sir Isaac Newton, and his time at the Royal Mint.

The coin is a tribute to Sir Isaac Newton, and his time at the Royal Mint.

The Royal Mint explained: “When Sir Isaac Newton came to The Royal Mint, Britain's finances were approaching crisis. Up to one in ten circulating coins were believed to be forged.

The Royal Mint explained: “When Sir Isaac Newton came to The Royal Mint, Britain's finances were approaching crisis. Up to one in ten circulating coins were believed to be forged.

“His vision of matchless quality led him to root out and prosecute notorious counterfeiters, improve assaying techniques (the way coin quality is checked) and refine weights and measures to standards never seen before.

“His vision of matchless quality led him to root out and prosecute notorious counterfeiters, improve assaying techniques (the way coin quality is checked) and refine weights and measures to standards never seen before.

“In 1699 Newton became Master of the Mint. After overseeing the new coinage for the accession of Queen Anne in 1702 he went on to supervise the process of bringing Scottish coinage into line with English coinage, following the Union of England and Scotland in 1707.

“In 1699 Newton became Master of the Mint. After overseeing the new coinage for the accession of Queen Anne in 1702 he went on to supervise the process of bringing Scottish coinage into line with English coinage, following the Union of England and Scotland in 1707.

“Thanks to Newton’s vision Royal Mint coins remain unrivalled in their accuracy and purity to this day. This 50p coin is struck to Brilliant Uncirculated standard. It marks the 375th anniversary of Newton’s birth.”

“Thanks to Newton’s vision Royal Mint coins remain unrivalled in their accuracy and purity to this day. This 50p coin is struck to Brilliant Uncirculated standard. It marks the 375th anniversary of Newton’s birth.”

The coin is still in circulation today and the minting error has left two parallel lines on the left of the late Queen's neck.

The coin is still in circulation today and the minting error has left two parallel lines on the left of the late Queen's neck.

The coin expert, who is followed on TikTok as UKCoinHunt, shared a video showing the coin in detail.

The coin expert, who is followed on TikTok as UKCoinHunt, shared a video showing the coin in detail.

He said: “This is the standard version of the 2017 50p coin with the bust of Queen Elizabeth II and the new 50p coin.

He said: “This is the standard version of the 2017 50p coin with the bust of Queen Elizabeth II and the new 50p coin.

“If I spin this around (to the bust of Queen Elizabeth II), as you can see, you've got the scratches. You can see the lines coming out like that, this is the die clash error version.”

“If I spin this around (to the bust of Queen Elizabeth II), as you can see, you've got the scratches. You can see the lines coming out like that, this is the die clash error version.”

The expert went on to explain that the coin is part of the standard circulation coin series and went on general release in July 2017.

The expert went on to explain that the coin is part of the standard circulation coin series and went on general release in July 2017.

The coin was designed by coin designer, Antony Phillips, and it takes elements of Proposition 11 from Book One of Newton's Principia Mathematica.

The coin was designed by coin designer, Antony Phillips, and it takes elements of Proposition 11 from Book One of Newton's Principia Mathematica.

The coin is a tribute to Sir Isaac Newton, and his time at the Royal Mint.

The coin is a tribute to Sir Isaac Newton, and his time at the Royal Mint.

The coin expert added: “The coin is still legal tender but it's a coin that's not seen in circulation often due to a minting error that occurred during the process of making the coin.

The coin expert added: “The coin is still legal tender but it's a coin that's not seen in circulation often due to a minting error that occurred during the process of making the coin.

“As you can see on the coin there are two parallel lines that are on the left of her neck.

“As you can see on the coin there are two parallel lines that are on the left of her neck.

“Now this isn't a scratch or anything like that, it's actually a die clash that has left these impressions on the coin.”

“Now this isn't a scratch or anything like that, it's actually a die clash that has left these impressions on the coin.”

The expert went on to explain that a die clash occurs when two coins are pressed together during the minting process.

The expert went on to explain that a die clash occurs when two coins are pressed together during the minting process.

He said: “If you look closely at the coin, you can see that it's not in the best condition but it's not been used in circulation.

He said: “If you look closely at the coin, you can see that it's not in the best condition but it's not been used in circulation.

“The coin expert went on to explain that the coins are graded by a third party and they take into consideration any defects or errors that may be present.

“The coin expert went on to explain that the coins are graded by a third party and they take into consideration any defects or errors that may be present.

“Any coins that are graded higher in quality will naturally command a higher price from collectors.”

“Any coins that are graded higher in quality will naturally command a higher price from collectors.”

Coins graded higher in quality are usually in uncirculated condition and they are also free from any defects or errors.

Coins graded higher in quality are usually in uncirculated condition and they are also free from any defects or errors.

The minting error on the 50p coin has left collectors scrambling to get their hands on it.

The minting error on the 50p coin has left collectors scrambling to get their hands on it.

According to the expert, the coin could sell for up to £100 to collectors.

According to the expert, the coin could sell for up to £100 to collectors.

However, it's important to note that the coins are valued according to their condition and any defects or errors that may be present.

However, it's important to note that the coins are valued according to their condition and any defects or errors that may be present.

Coins graded higher in quality will usually command a higher price from collectors.