Kennedy Half Dollar didn't have a good time in the mint

[N-7446]

This 1964-D uncirculated Kennedy Half Dollar, still in cellophane, has multiple things going on.
There are four bars in Kennedy's hair above the part.
Of these four bars, the upper bar's left side appears that it might have a seriph.
Kennedy's cheek also has two bars that appear similar to those in his hair.
There are scale like marks on Kennedy's cheek, eyebrow, neck and in the fields.
There is some type of deformation running through the I in LIBERTY to the B.
I would like to be able to name the specific error types and explain how this coin came to be.
Any help would be appreciated.

WIN_20230826_08_39_25_Pro.jpg

[Dutch-Tigger]

This 1964-D uncirculated Kennedy Half Dollar, still in cellophane, has multiple things going on.
There are four bars in Kennedy's hair above the part.
Of these four bars, the upper bar's left side appears that it might have a seriph.
Kennedy's cheek also has two bars that appear similar to those in his hair.
There are scale like marks on Kennedy's cheek, eyebrow, neck and in the fields.
There is some type of deformation running through the I in LIBERTY to the B.
I would like to be able to name the specific error types and explain how this coin came to be.
Any help would be appreciated.

WIN_20230826_08_39_25_Pro.jpg

Greetings, this is called Reeded Edge Contact Marks, Bag marks as well, the Reeded edge of other coins dig into and hit with enough force to cause these marks. This is considered damage and brings no added value to the coin.

[MintErrors]

This 1964-D uncirculated Kennedy Half Dollar, still in cellophane, has multiple things going on.
There are four bars in Kennedy's hair above the part.
Of these four bars, the upper bar's left side appears that it might have a seriph.
Kennedy's cheek also has two bars that appear similar to those in his hair.
There are scale like marks on Kennedy's cheek, eyebrow, neck and in the fields.
There is some type of deformation running through the I in LIBERTY to the B.
I would like to be able to name the specific error types and explain how this coin came to be.

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In my opinion, if they are all incused (dug into) the coin then I agree with DT.

If any of that is raised, let us know. I am currently away from my office pc, and on a tablet. Magnifying the photos work, but the color is throwing me off.

[N-7446]

Thanks for the responses.