What an amazing error on this lincoln cent.

A die crack occurs when a die, after being subjected to intense pressure during the minting process, cracks, causing a small gap in the die. If this damaged die continues to produce coins, the metal will fill into the crack, thus revealing a raised line of metal in the finished coin.

Here is a link to the playlist of the many lincoln cent coin roll hunts I have done:

Helpful Coin Collecting Resources:
*My Coin Roll Mat: https://amzn.to/3MThECj
* Red Book of US Coins: https://amzn.to/3L5isTQ
* Coin Album: https://amzn.to/3HkQ8dL
* Digital Microscope: https://amzn.to/35HN6lS