1973D Lincoln cent possibly misspelled and missing letters

[DJ2011]

I came across this 1973D penny while searching for wheat pennies in my change. After inspecting it more closely I realized that the word Liberty was missing some letters. It wasn't until looking at it again, later, that I realized the word Liberty also seems to be misspelled. Can someone please give me some insight into what could have caused this?

[Maineman750]

It looks to be simply damaged

[makecents]

I'm with Maineman750.

[TPring]

I too think it is just damage.

Look at it under high magnification and if you don't think it is [damaged] then please post some clearer close-ups of it so we can see what you see. These pics are a bit fuzzy.

[hasfam]

I don't believe LIBERTY is misspelled. The I and part of the B appear to have been removed, mostly likely by a machine of some kind. Perhaps a counting machine.
Like everyone else has said, it's Post Mint Damage (PMI).