In the world of numismatics, the thrill of discovering a rare coin in everyday change is unparalleled. Collectors are particularly excited about a rare Lincoln penny that could fetch up to $100,000.

The Public Can Learn What Their Old Money is Worth Money is history you can hold in your hands”— Mark Lighterman, ...

Let’s say you’re clearing out your parents’ or grandparents’ attic and you happen to spot a box full of coins. Or maybe you’re shopping at the secondhand store when you spot a unique piece of paper ...