Possible errors?

[miamilatin]

Hey guys (and gals). Want to get your opinions and 2 coins I have. 1st is a 1984 Penny. If you look closely its like he has an "EARRING". I searched quite a few thousand pennies but never came across something like that before. And second, I got 16 silver dimes from my little sister (gotta love her!). Upon looking through them I ran into a 1964 dime that seems to be struck through grease (if you see part of the "L" in liberty and IGWT some of the letters are faded. These are probably just post mint happenings but would love to hear your opinions. Thanks and HH!!

 

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[Nickel Searcher 219]

The dime may be a struck through grease error,But the penny is almost definitely pmd.