Common detail missing from 20p coin which makes it 300 times MORE valuable [Video]

A COIN expert has given insight into a rare detail on a 20p coin which makes it 300 times more valuable.

The professional, who goes by the name of the CoinCollectingWizard on TikTok, shared how an error on a 20p coin made in 2008 has made it one of the “holy grails” for collectors.

Almost two decades ago a number of 20p coins were struck with the wrong dye, resulting in no date on the coin.

The social media star said this was due to a mix-up at the Royal Mint when the new Royal Shield of Arms design was introduced.

It was the first time in 300 years that it had been produced without a date.

“This makes it highly sought after by coin collectors,” the coin-collecting professional said.

It is thought around 250,000 coins have the error.

The front of the coin features the traditional profile of …