1964 Lincoln Memorial Cent Mint Error - Split After Strike

Very cool find! The reverse does resemble Jupiter.

Ha, nice gas giant reverse.

Thanks! What I find most intriguing about this one is that it really looks like it wasn't circulated much, and is so obviously underweight to be laughable, yet has all that apparent circulation crud on the obverse.

Depending on how much of a piece of copper fragment when the metal was cold rolled onto the stock material, this doesn't adhere to the hot rolled area. Thus after the stock was cut, into blanks, the setup process may have loosened that planchet but stayed together until the planchet was struck. When a it was made into a coin, it later split off of the hot rolled metal, and the cold rolled metal when on it way in a different direction. Thus this was a hot rolled/cold rolled issue on the stock material. Depending on how larger the cold rolled metal was on that area, more than one coin would be affected in that batch of blanks. That is why they don't adhere together and split off on a coin at a later time. This is also what happens to lamination errors, but the metal is a lot thinner.







Just smaller areas were cold rolled onto the hot roll stock. Later fall off of the coin, post strike.

CoopHome: How can a coin just split off into two pieces or more? Hot rolled and cold roll stock metals