1956 D Lincolns with a misshapened "6"

Images are of three different 1956 D Lincolns.Is the "misshapen 6" a die variety or something else? I see no damage to the rim near the "6" on any of the coins.These three coins were pulled out of an accumulation of some 1200 coins all dated 1956 D.





Whoever is careless with the truth in small matters cannot be trusted with important matters.
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Comments
It's from a coin counter or roll sealing machine.
Thanks for looking and commenting.
Whoever is careless with the truth in small matters cannot be trusted with important matters.
........have to agree, post made...