The coin was minted back in 1983 onto a copper coloured blank by mistake ... which is over 1,000 times its face value. If you're ever in doubt it's always worth taking your coin to experts ...

The 20p was minted back in 1983 onto a bronze plate Credit: EBay. A lucky seller found the coin and was intrigued by its colouring so sent it off to The Royal Mint to have it authenticated in 2016 ...

One 20p coin, minted back in 1983, was made on a copper-coloured blank my mistake, ... One such coin sold on eBay this week for £232, more than 1,000 times its face value, ...

The coin was minted back in 1983 onto a copper coloured blank by mistake, ... Now one 20p has fetched for more than 1,000 times its face value after a week-long bidding war on eBay.

The coin was minted back in 1983 onto a copper coloured blank by mistake, resulting in a very rare bronze 20 pence. ... It eventually sold for £232, over 1,000 times its face value.

was made on a copper-coloured blank by mistake, creating a rare bronze 20p. These coins are much sought after by collectors and are far more valuable than their 20p face value. One such coin sold ...

Now one 20p has fetched for more than 1,000 times its face value after a week-long bidding war on eBay. The coin was minted back in 1983 onto a copper coloured blank by mistake, resulting in a ...