When you look at coins, have you ever noticed the ridges on the edge of the coins? And have you ever wondered why there are those grooves on the coins? There's actually a special reason for that. See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

When you look at coins, have you ever noticed the ridges on the edge of the coins? And have you ever wondered why there are those grooves on the coins? There's actually a special reason for that. See omnystudio.com/listener for privacy information.

When you look at coins, have you ever noticed the ridges on the edge of the coins? And have you ever wondered why there are those grooves on the coins? There's actually a special reason for that.&nbsp;See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

Money Fact: Why coin edges have ridges

Hongbin Jeong tells you a fun money fact that you probably haven't heard of. Discover interesting facts about your money with topics ranging from currencies, banknotes and coins, the history of money and much more.

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Hongbin Jeong tells you a fun money fact that you probably haven't heard of. Discover interesting facts about your money with topics ranging from currencies, banknotes and coins, the history of money and much more.

Hongbin Jeong tells you a fun money fact that you probably haven't heard of. Discover interesting facts about your money with topics ranging from currencies, banknotes and&nbsp;coins, the history of money and much more.&nbsp;

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Money Fact: Why coin edges have ridges

Money Fact: Why coin edges have ridges