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 ...

Ever thought that loose change rattling around in your car cup holder could actually be worth something? Most of us toss ...

Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Seven $1 coins that once traveled to space sold today in an auction ...

Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime steel ...

A group of gold commemorative coins that traveled into orbit aboard an infamous NASA space shuttle recently fetched a series of historically high bids at auction. Ever since a collection of Sacagawea ...