Brockage or Not? (Sandwich Coins)
Coins pressed together outside the Mint can pass for brockage errors. Here is how bent rims and telltale damage give these fakes away.
Articles & Info
Oh, No It Ain’t
Decades of articles by CONECA's attributers and members, sorted by error type, coin series and feature.
Placeholder: Plated and altered coins
in Oh, No It Ain't, Planchet errors
Placeholder excerpt for an article about plated and altered coins. Replace with the real article's summary.