1942/41 Overdate Mercury Dime: The Subtle Mistake Worth Thousands July 22, 2025July 22, 2025Debbi The 1942/41 Mercury dime—featuring a faint “41” beneath the bold “42”—is one of the most celebrated overdate errors in U.S. coinage. Minted at both the Philadelphia and Denver facilities, this nuanced anomaly stands out for Continue reading