The Hidden History Behind Coin Ridges: Why Dimes and Quarters Have Those Tiny Grooves 🪙🔍
You’ve held them a thousand times. Slipped them into parking meters. Stacked them on counters. Flipped them for decisions. But have you ever really looked at a quarter? Run your thumb along its edge? Those tiny ridges — they’re not just for grip. They’re not decoration. They’re not an accident. They’re a 300-year-old anti-theft system … Read more