You grab a handful of coins from your cup holder or the bottom of your purse without thinking twice. Just another stack of ...

As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

Amid the debate about the future of the penny, you may be wondering how much some of the coins you have around could fetch. After all, it could be a way to make extra money on the side. Here's a look ...