1955-P Error/Variety

[KantThink]

I have recently come across an anomaly in several specimens of 1955-P lincoln cent. The anomaly appears as in indent at Lincolns neck. It has straight well defined boundaries. See attached. Can anyone give me insight as to this anomaly - whether it is some type of strike error or is actually a die variety?

Thanks.

[diamond]

Perhaps it's a clash mark.

[KantThink]

That's where I am leaning too. It may be important to note that many of these coins exhibit die cracks on obverse/reverse and cuds mostly on reverse, especially in the wheat heads.

[JamesWiles]

Without a doubt it is a die clash at the throat. The items on the reverse are not cuds, but die chips/breaks. Cuds by definition must include a breaking of the shank of the die. This is almost always associated with the edge of the die.
Thanks,
James Wiles

[KantThink]

Thanks for correcting my use of the lingo. Is this die clash error a common one?

[diamond]

Die clashes are common on Lincoln cents, as they are in most denominations and issues.