These valuable coins could leave you in the money if you have any hidden away in a piggy bank
RAIDING your piggy bank could make you a small fortune.
Rare 50ps, 20ps, £2 coins and 2ps could worth a mint but you have to know what you're looking for.
For example, a limited edition 50p featuring Kew Gardens - the rarest coin in circulation - can change hands for £50, as collectors eye up valuable currency.
Philip Mussell, the director of Coin News, has explained what coins to look out for to the .
Royal Arms £1
One of these with a 2008 date is the fourth rarest and could pocket you around £5.99.
The coin features a common Royal Arms design so make sure you know what you're looking for before selling.
Edinburgh £1
The 2011 coin is the only £1 with a mintage below 1 million according to Coin Checker.
Although it's classed as valuable, it'll only fetch around £3 to £5 on eBay.
Commonwealth £2
A coin minted commemorate the Northern Ireland 2002 Commonwealth Games is one of the rarest £2 out there.
Less than half a million were minted and can sell online for between £15 and £25.
There are a total of 417 million £2 coins in circulation.
Guy Fawkes £2 coin
A Guy Fawkes coin, with an inscription reading 'Pemember Pemember the Fifth of November' rather that 'Remember Remember the Fifth of November' could fetch £16.
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Charles Dickens £2 coin
In 2012 a £2 coin was issued to commemorate the birthday of English writer, Charles Dickens.
The special coin features a detailed profile made up of the names of the author’s books.
It could fetch in the region of £8 - quadruple its original value.
Silver coppers
A 2p coin dropped into a charity collection tin sold for a whopping £1,350 in June.
The rare coin was found in a Royal British Legion Poppy Appeal tin in Malmesbury, Wiltshire, and was initially believed to be a fake.
But when volunteers took it to a bank, staff suggested that they send it to the Royal Mint – who revealed it was as a rare misprinted coin worth a small fortune.
A nickel blank, intended to become a 10p piece, was accidentally pressed in the 2p mint.
New pence two pence
If you have a rare 1983 'new pence' 2p coin you could be in line to make up to £650.
The Royal Mint replaced 'new pence' with 'two pence' on the back of the coins in 1982. But in 1983 it accidentally produced a small amount of coins to the previous design.
Kew Gardens 50p
In 2009, The Royal Mint issued a coin to celebrate the 250th anniversary of the Royal Botanic Gardens.
However, around 210,000 were minted with a picture of the iconic Kew Gardens Pagoda.
The Royal Mint says it is the rarest coin in circulation and currency collectors will usually pay around £30-£50 on eBay to snap it up.
Beatrix Potter 50p
Earlier this year The Royal Mint launched a coin to celebrate the 150th anniversary of Beatrix Potter’s birth.
It’s the first time a fictional character has appear on a coin and some are being sold for £20 online.
Euro 50p
This 50p coin is even rarer than the Kew Gardens one.
Only 109,000 coins were ever issued and if you’re lucky enough to have one it could fetch for up to £100 on eBay, according to ChangeChecker.org.
It was issued in 1992 to mark the EC Single Market and the UK presidency of the Council of Ministers.
However, it’s unlikely that you’ll find one as it is of the old chunkier 50p design that was replaced in 1998 and can no longer be used in shops.
Olympics 50p
In 2012, The Royal Mint issued 29 coins to mark the London Olympic games. Collectors have been trying to get the full set making some designs more popular than others.
As much as 75% of Olympic 50p coins have been removed from circulation by collectors.
The rarest coins are those depicting football, wresling and judo.
Dateless 20p
A dateless 20p coin could also make you £100.
Between 50,000 and 200,000 20p coins with no date on either side were released in 2008 because of an error at the Mint.
The mistake was made as officials moved the date stamp to the front of currency, from the back.
How to check the value of a coin
If you think you’ve got a coin that could fetch a few bob then it’s worth getting it verified.
The Royal Mint Museum offers a service where you can get your coins checked by an expert for free. Call 01443 623 004 or go to .
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