Did you have any idea banknotes can play records, legal Pokémon coins actually exist and nickels are more expensive to mint than dimes? Blow your mind with our pick of weird and wonderful facts about money.

The UK's official unit of currency was introduced in the eighth century during the reign of Anglo Saxon King Offa of Mercia.

The only catch is the banknotes are shredded and have no monetary value. The bags of mangled money are to available to purchase on the bureau's website.

This wise piece of advice featured on the first one cent 'Fugio' coin designed by Benjamin Franklin in 1787. The famous “In God We Trust” motto didn't appear on American coins until 1864.

You can arrange the newer 1p, 2p, 5p, 10p, 20p and 50p coins to reveal an esoteric shield design that mimics the coat of arms on the £1 coin. This clever feature was created by designer Matthew Dent in 2008.

The vast majority of the planet's currency exists in electronic form – banknotes and coins make up just 8% of the global total.

Total debt – the amount owed by every individual, organization and country on the planet – hit $199 trillion (£158trn) in 2016, but the world has only $80.9 trillion (£64.2trn) in cash and bank deposits.

Zero trees are felled to produce our banknotes – non polymer banknotes are made from a cotton-linen mix and do not contain any wood pulp.

The Polynesian island of Niue partners with the New Zealand Mint to produce the world's craziest legal tender coins, which commemorate everything from Stars Wars and Pokémon, to Disney's Frozen.

Michael Ridge, a sound artist from Norwich, England hit the headlines hen he posted a video on YouTube showing him playing a vinyl record with the new £5 note. The polymer edges on the new banknote, which are relatively sharp and firm, are able to get into the tiny grooves on vinyl records, creating sound much like a stylus needle.

In fact, any crisp new polymer note can be used to play a vinyl record. For instance, Melbourne record store Northside Records recently uploaded a video demonstrating the trick with the new Australian $5 bill.

To the ire of non meat-eaters, the Bank of England has revealed its new plastic £5 note contains beef tallow, which is used in minuscule amounts in the polymer-manufacturing process.

The Reserve Bank of Australia and the Bank of Canada – which source the polymer for their notes from the same supplier as the Bank of England – have also admitted there are likely to be traces of meat in their money.

In fact, a total of 24 countries including New Zealand, Chile and Nigeria use the same polymer supplier, Innovia Security, and chances are their banknotes contain traces of animal fat too.

Taking into account commodity prices, machinery costs, labor and so on, each US penny costs around 2.41 cents to make, more than double its face value.

Although a nickel is worth half a dime, the five cent coin is more expensive to manufacture – it costs the US Mint 11.18 cents to produce a nickel and just 5.65 cents to mint a dime.

While coins can stay in circulation for up to 30 years or longer, US banknotes have a much shorter lifespan, from just 18 months for the average $1 bill, to nine years for $50 and $100 banknotes.

The US Bureau of Engraving and Printing goes through 9.7 tons of ink a day. The special green color-shifting ink is manufactured according to a top secret formula.

Study after study has shown that most banknotes are contaminated with cocaine. Test results suggest all UK banknotes acquire traces of cocaine within weeks of entering circulation, and up to 90% of dollar bills are tainted with the drug.

A recent Oxford University study found that the average European banknote contains 26,000 bacterial colonies, including virulent strains such as E.coli and salmonella.

The same study discovered that the average £1 coin in circulation harbors more bacteria and viruses than a regularly-cleaned toilet seat.

Similarly, tests show that 94% of dollar bills are contaminated with bacteria, 7% of which are potentially harmful, and scientists at New York University have even found traces of anthrax on US banknotes.

Research from Harper Adams University in the UK indicates that plastic banknotes are three times more hygienic than regular cotton-based 'paper' bills and home to fewer bacterial colonies.

The US Mint prints an estimated $974 million (£775m) annually, says CNBC, while Hasbro, the company that produces the popular game, churns out a humongous $30 billion (£24bn) in Monopoly money every year.

The Native American heroine appeared on the $20 bill during the 1860s. The last woman to feature on a US banknote was the first First Lady Martha Washington in the 1890s.

A portrait of anti-slavery activist Harriet Tubman will feature on the new $10 bill, which will enter circulation in 2020. Tubman will be the first African-American to appear on a US banknote.

The reigning British monarch has appeared on more coins and banknotes than any other person and has featured on the currencies of more than 30 countries.

Don't expect an Obama $10 bill or Trump dime any time soon. Legislation enacted in the 18th century forbids depictions of living people on US currency.

According to the latest Federal Reserve figures, a colossal $1.48 trillion (£1.18trn) is currently in circulation, but as many as 60% of dollar banknotes are held outside the US.

Think the penny in your pocket isn't worth very much? Uzbekistan's tiyin is worth around 2,400 times less than a US one cent coin and is 3,000 times less valuable than a British penny.