The photo isn't very good and since there is no photo of the reverse I will guess that the coin was just a little bit misaligned, (Misaligned Die/MAD).
I have some MAD coins (not Kennedys) that I found in my change and they are fun to collect.
I don't think I would buy an error that minor, but there's no harm in it as long as you want it and enjoy having it.
By the way, when you get the coin, check to see if the reverse is normal. If it isn't, post a photo.
It is at least a mis-aligned die. If the reeded edge is missing or partially missing it could be a partial collar strike or a broadstrike. Can't really tell from the pictures provided.
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