Some of the original Sacagawea coins are valuable. For example, ones made with errors— maybe they were minted incorrectly, or a flaw is seen in them, or even one was struck off-center.

Manufacturing errors might be annoying when it comes to most products, but they can be a massive moneymaker when it comes to collectible money. Errors increase the value of collectibles because a ...

One of the more beautiful coins ever produced by the U.S. Mint features the face of a living Idahoan. U.S. coins don’t honor ...