A coin with dates that span two World Wars, the Great Depression, and more than three decades of American history, the Mercury dime is an icon of the early 20th century. It can also be worth a lot.

(NEXSTAR) — A quick check of your piggy bank or car cupholder may reveal a relatively standard stash of coins: pennies, dimes, quarters, a car wash token. While it may not amount to much at the outset ...