PART V. Planchet Errors:

Irregular Planchets:

Scraps / Fragments:

Heavier Than Normal Coin of the Same

Denomination:

Definition: This type error occurs when a coin is struck on a planchet that has been incorrect rolled to an oversized thickness by the rolling mill.

The 1941-P Lincoln cent was struck on thicker than normal stock and weighs 4.1 grams. The normal weight for this coin is 3.1 grams.

Images are courtesy of Heritage Auctions.