But there are rare instances when that pile of metal might hold a fortune, such as a Sacagawea Dollar coin worth six figures or a Lincoln penny worth a couple million dollars. Lincoln pennies are ...

Anthony coins, the Sacagawea dollars have historical significance but little value beyond the “very few rare varieties” that exist, according to California Gold & Silver Exchange. Most are ...

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.