Some of the pennies lying around your house could far exceed their face value of one cent. Let's take a deeper dive into the ...

State quarters, starting in 1999, are more than pocket change for collectors. Some errors can make them worth a small fortune ...

From 18th century automatons that could write a full letter to the player pianos featured in every saloon, mechanical inventions have fascinated us for centuries. Yet the smallest pieces can garner ...

Coin collectors, formally called numismatists, know the value of many coins and understand that the better shape a coin is in, the higher resale value it will have. But you may also find coins in your ...