1999-P Susan B. Anthony Dollar Struck on a Sacagawea Planchet Minting errors tend to add a ton of value to a coin, and this stunning Susan B. Anthony dollar's value is a clear example of that.

Errors increase the value of collectibles because a limited ... called planchets, intended for the Sacagawea dollar. As the U.S. Coins Guide noted, the Georgia and other state quarters were ...