If you are a rare coin collector, you know it’s not always the perfect coins that are the most valuable. There are many ...

A 1999 Georgia state quarter could be worth up to $10,000, according to a blog post from U.S. Coins Guide. The quarter’s high value is a result of several manufacturing errors. The biggest one ...

Errors increase the value of collectibles ... The alloy had a gold tint that was eventually used for the one-dollar Sacagawea coins that came out in 2000. “Curious how the alloy would look ...