The error coin market has exploded in ways that would make even seasoned collectors' heads spin. What started as casual ...

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 ...

Even so, the ’80s produced a quartet of coins that are rare, coveted and potentially quite valuable. Keep an eye out in your couch cushions and coin jar for any of these four coins from the 1980s, as ...