One 20p coin, minted back in 1983, 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 ...

The coin was minted back in 1983 onto a copper coloured blank by mistake, resulting in a very rare bronze 20p. A seller flogging the coin was intrigued by it so sent it off to the Royal Mint back ...

One 20p coin, minted back in 1983, was made on a copper-coloured blank my mistake, creating a rare bronze 20p. These coins are much sought after by collectors and are far more valuable than their ...

The coin, minted in 1983, was mistakenly struck onto a copper-coloured blank, resulting in an extremely rare bronze 20p. The intrigued seller sent it to the royal mail for evaluation in 2016.

Meanwhile, a bronze 20p coin also caused a stir online after experts claimed it sold for nearly £800 recently. The user continued: "One mistake collectors want to get their hands on is this ...

There's a number of coins you need to keep an eye on in your pocket ... Meanwhile, a bronze 20p coin also caused a stir online, with experts claiming it sold for nearly £800.

One 20p coin, minted back in 1983, was made on a copper-coloured blank my mistake, creating a rare bronze 20p. These coins are much sought after by collectors and are far more valuable than their ...

Rare coins can be a hidden treasure, potentially worth hundreds or even thousands. Some coins may have minting errors that could increase their value significantly. Recently, a 20p coin sold for more ...

Rare coins could be worth hundreds of times more than their face value, as one person found out when they sold a 20p coin for more than £230 on… ...

One 20p coin, minted back in 1983, 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 ...