Funny, we just answered this for a quarter! Might be damage from a counting or rolling machine.
📋 Item Submitted
A 2001 U.S. penny with smaller “rings” on the obverse side of the coin.
M
Marc's Expert Appraisal
ANA-Certified Numismatist · Hudson Valley Numismatics
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1960s pennies
From dies dated a quarter century later?
I apologize. This is a way better picture of the error penny. I would…
All the more apparent, no error evident here!
Damaged from the mint 1968 d penny error coin
Don't blame the mint for this reject.