The error coin market has exploded in ways that would make even seasoned collectors' heads spin. What started as casual ...

There are a significant number of rare coins, with some printing deficiencies or that are part of specific mintings that make them very valuable among numismatic collectors An example of this is the ...

The 1959 penny marks a pivotal transition year for Lincoln cents, introducing the Memorial reverse design. Among billions minted, several valuable error coins emerged. This 1959 penny error list ...