While gold is currently experiencing record high prices, owners of this particular gold coin could be in for a particularly ...

This took place just as the U.S. Mint was working on a new metal alloy for coins. The alloy had a gold tint that was eventually used for the one-dollar Sacagawea coins that came out in 2000.

These four rare 1980s coins could be hiding in your change -- and they might be worth hundreds or even thousands to collectors.