Brits urged to rummage through their change after TikTok coin expert reveals rare 20p piece could be worth a staggering £1,300

The unusual coin is made of copper and was mistakenly struck on the wrong material.

Brits are being urged to scour their spare change after a TikTok coin expert revealed that a rare 20p piece could be worth a staggering £1,300. The unusual coin is made of copper and was mistakenly struck on the wrong material.

Coin Collector UK shared the details in a 2022 video, revealing: "A copper 20p coin, valued at £1,300. In 1994, a collector encountered a highly rare 20p error coin.

"Unlike any other errors observed thus far, it was a copper 1p blank that had been struck by a 20p die at the Royal Mint by mistake. This 20p is noticeably thinner than the average coin due to being pressed onto a one pence coin blank.

"Additionally, the edges of the coin are more rounded, resembling the shape of a 1p coin despite being struck with a 20p die. It is estimated that this coin could be worth over £1,300, though there are no official records of one being sold."

And before you dismiss this as merely a dirty coin, the Royal Mint themselves have confirmed it to be a genuine error coin that they produced. So get checking your coin jars, because there may be more errors like this to be found.

Change Checker notes that this particular 20p, dated 1990, was struck on a copper-plated blank instead of the standard cupro-nickel finish, and the Royal Mint verified the mistake in 2018, as reported by Lancs Live.

Coin Checker stated: "They also confirmed it was the only known 20p in existence with the error, making it one of a kind." The unique coin was sold at auction for £1,400 last year. However, it is still worth inspecting your coins for any unusual errors that could increase their value.

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