For most of us, we hate Mondays. But for Wall Street this year, it may have been their favourite day of the week.

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Did you know that postage stamps were once used as money over in the US?

Well, during the Civil War, there was a shortage of coins.

Paper tickets and bills were often substituted as small change, but the scarcity was so severe, it led the Congress to authorise the issuance of stamps as a temporary “Fractional Currency.”

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Did you know sea shells were once commonly used as money in many parts of the world?

Seashells were used as money across the world well into the 20th century, from West Africa to California.

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When we think of the shape of coins, we typically think of round, disc-like shapes.

But did you know that not all coins are round? Here are some of the weirdest shaped coins that you probably didn't know existed.

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Did you know someone put the whole of New Zealand up for sale on eBay? The starting bid price? A mere 1 Australian cent. 

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Did you know you can track where a US dollar bill came from before you got ahold of it? Through a website called WheresGeorge.com, consumers can track their physical dollar bills and even find out where it went after the bills left their wallets. 

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The stock market is a place where investors can buy and sell stocks, shares in publicly traded companies, among other securities. But do you know how old the stock market is? Or when the idea of the stock market came about? 

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Imagine losing millions of dollars in the trash. That's what happened to James Howells, a cryptocurrency miner, when he accidentally threw away a hard drive containing 8,000 Bitcoins back in 2013. A decade later, he's still in search of his stash. 

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