Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to collectible money. Errors increase the value of collectibles because a ...

The rare 1984 $1 coin was struck on a 10-cent blank in error, instead of a $1 blank, meaning the coin is silver rather than gold. One of the coins went to auction with a price guide of between $2,000 ...

Whilst all standard Sir Isaac Newton commemorative 50p coins are rare, an error that is difficult to spot on the 2017 piece could mean yours is even more valuable ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are ...

He tells viewers they could get £2,500 for finding a 12-sided coin with a specific error, reports the Mirror.

Certain rare coin designs are known to fetch a pretty penny, with previous finds including two rare £2 coins with an "error" valued at £1,000 and a 1p piece worth a staggering £200,000.

In some cases this type of error in a coin could be worth thousands to the right collector.

The Lord Kitchener £2 coin was issued in 2014 to commemorate the start of the First World War ...

A coin expert has urged people to check their change for a particular £2 coin error wanted by collectors ...

The rare King Charles III £1 coin has been spotted by online enthusiasts after three million coins entered circulation in August ...

The 1999 Georgia State Quarter Georgia state quarters from 1999 have several types of errors, according to the U.S. Coins Guide website.