The Hidden Story Behind Coin Ridges
They’ve passed through countless hands, slipped into meters, stacked on counters, and flipped to make choices—but have you ever really examined a quarter? Run your thumb along its edge? Those tiny ridges, called “reeds,” aren’t decorative—they’re centuries-old security technology. In the 17th century, coin clipping was rampant. Thieves shaved small amounts of silver from coin…