Of the four coins that are in wide circulation in the United States today, two, the dime and the quarter, have ridges around the edge. The reason for this is rooted in history, and it might surprise ...

The stylish rims you might have noticed on U.S. dimes, quarters, half dollars and some dollar coins are called reeded edges. They’ve been on American currency almost since day one as a way of keeping ...

Coin ridges, initially implemented by Sir Isaac Newton, served as a deterrent against coin clipping, a practice where precious metals were shaved off coins. This innovation protected economies by ...

Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to collectible money. Errors increase the ...

You’d think that after spending decades on this planet—most of those using money—I’d have a handle on pocket change. But yesterday, while cleaning out the bottom of a junk drawer, I found a ...