If you've ever taken a closer look at the coins in your pocket, you might have noticed that two of the four coins in wide circulation in the United States—the dime and the quarter—have a series of ridges on their edges. According to the U.S. Mint, this is known as a reeded edge. But why do these coins have ridged edges? Is it purely decorative, or does it serve a functional purp...

• calendar_month July 9, 2024
• category History
• post Cool Information