The Surprising History of Coin Ridges and Why They Still Matter Today

Coins are such a common part of everyday life that most people rarely stop to examine them closely. They pass through our hands at checkout counters, vending machines, parking meters, and coffee shops so frequently that their small design details fade into the background.

Among those details, the ridged or grooved edges found on many coins are often overlooked entirely, even though they carry a surprisingly rich historical and functional purpose rooted in centuries of economic development.