That is a die chip between the B and the E. Many people refer to this type of die chip as a "BIE error" since it looks like there is a letter I between the B and the E.
There are many people that collect these and there is a website that documents the known examples:
http://cuds-on-coins.com/lincoln-cent-bies/
There are many people that collect these and there is a website that documents the known examples:
http://cuds-on-coins.com/lincoln-cent-bies/























