What would cause this? 1968-Lincoln Cent

[Drick6sy19]

I came across a unique detail while inspecting a very nice 1968-D Lincoln Cent that I had not come across in other sources. There appears to be a semi-oval on the left side of column 8 (2nd from the right of Lincoln within the memorial). I'm not sure what would cause this but it doesn't appear to be a typical result of machine doubling. It is pronounced enough that it is visible without magnification. Thoughts on what this could be?

[MintErrors]

I came across a unique detail while inspecting a very nice 1968-D Lincoln Cent that I had not come across in other sources. There appears to be a semi-oval on the left side of column 8 (2nd from the right of Lincoln within the memorial). I'm not sure what would cause this but it doesn't appear to be a typical result of machine doubling. It is pronounced enough that it is visible without magnification. Thoughts on what this could be?

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In my opinion, if the sickle looking line is raised it might be a die crack. If the line is sunk into the coin it might be a strike through. I dont believe its a clashed die.

In between columns 8 and 9 at the top of the photo appears to be either a die crack or a lamination issue. You have the coin in hand can you see a jagged line that connects your line to the issue at the top of the photo between columns 8 and 9 ?

[MintErrors]

Drick6sy19

In addition, on the reverse look at the US in E PLURIBUS UNUM.
South of the US, there appears to be a die crack, on the Memorial building, but the full reverse photo has too much lighting. That glare makes it difficult to zoom in and see if its a crack or a piece of debris that floated on the coin.

[Drick6sy19]

Thanks Gary. It appears to be raised to me. I've taken some more pictures including a maximum zoom I can create on the issues discussed. Hopefully, these help.

[Shleppodella1]

In my opinion.....
It looks like a weak strike reverse on top of Memorial due to grease build up with a possible strike thru on column #8 like Gary mentioned. It's a very minor error that has no premium. It's a good learning coin.