Above and through liberty on the obverse I can't tell what's going on, is it a strike though thread or fuzz or something or is it just scratched?
Could be a Struck through string/thread. Interesting. Also a Misaligned Die Strike. And.. If it's a Proof Cent then struck through string are common issues on them.
Here is a Silver Proof Dime I acquired back in 2015 with a struck through string/fiber with that squiggly pattern -