Hard to say without a photo but likely post mint damage or possibly the result of a worn die. There is no known 1989 acorn but there is a known 1953S variety, let us know if you find it.
📋 Item Submitted
1989 p dime that has acorn below the cherry on the back of the dime is it worth anything
M
Marc's Expert Appraisal
ANA Life Member · Hudson Valley Numismatics
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