Reader questions explore the purpose, production, and history of edge lettering, along with other practical features used on ...

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 ...

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 ...

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 ...