1981 penny nmmark

I found a 1981 penny, no mint mark, just want to ask if there is an excess metal protruding from a date of the coin is an error or damage? just like from the picture, from the date tail of 9 there is excess which i dont know its called, a cut maybe? and lincoln eye looks error to me .is that a double or something error? and again... i dont trust my judgement... thats why i keep asking experts here thank you to all and God bless
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PMD... no added numismatic value. Cheers, RickO
@Jcb23000 Value equals one cent. Better spend it now.
Copper cent value approx. three cents. Save it until you get 5000 then sell.
!981
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