Why Some Coins Have Reeded Edges (and Others Don’t)
Anyone who’s ever closely examined a U.S. quarter or dime has likely noticed the tiny ridges that run around the coin edge. These ridges—known as reeded edges—aren’t just decorative. They serve historical, practical, and even security-related purposes. But why do coins have ridges, and why don’t all coins feature this distinctive edge? Let’s explore the … Continued