198 something the number 10 next to last digit in the date

Do es anybody know what kind of error this is, I've never come across any error of this kind like this myself,but if you look at the date it looks like it might have rotated the coin in the hub or something ,and was imprinted with another design/digits or something because there is a one and a zero attached to the date and the edge near the date looks elongated

 

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It's the "of" in "of America" from a reverse of another coin and that bit attached. The "us" from Epluribus is alsao there.

 

Not an error of any kind. PMD.

 

Homemade. PMD.

 

OMG I must be blind haha I. See it now

 

Vise coin alteration.
Not a mint error.

 

A defect feat that was made after it left the mint. It’s not an error but it is post mint damage.