
It is a common coin. They minted 3,677,175 so not everyone has one, but they are readily available.
It sounds like the coin has some damage and corrosion, so it would be called a impaired proof at this point. It really isn't worth enough to have it professionally conserved and trying to clean it on your own isn't advisable.
ANA ID: 3203813 - CONECA ID: N-5637 Clean a coin that may be worth collecting? Please DON'T! When in doubt, leave it dirty!!

