If you are a rare coin collector, you know that it’s not always the perfect coins that are the most valuable. There are many criteria that make a coin worth lots of money in today’s currency, as well ...

Unfortunately, many collectible coins are worth little more than the printed value. Here are some examples of collectible coins that are, ultimately, worthless.

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as ...