Yep, a little bit off center, but I'm not seeing any die marks in your photos. The greenish areas are corrosion, and there's some damage to the rim around WE and TRUST. This one is a true error (the off center part), but IMO not worth a premium due to the damage and corrosion. It's always neat to spot an error coin in circulation though!
@Maes daughter MAD stands for - Misaligned Die on the Obverse. If you provide a picture of the Reverse side it can be better determined Please post your threads on the Error Coins forum not the "What's it worth".. so far your stuff has no real premium.