the obverse side (front) isn't stamped in the center. Everything is there so nothing like his face, the date, mint mark, or words are going off the edge- but the little rim around the edge of the face that is usually even all the way around is noticeably wide on the left and then tiny-winy small on the right. And due to that- Roosevelt's face and all that is in between the rim is centered off the the right just a little. It isn't subtle like maybe a common coin would be. it is definitely noticeably off centered without magnification. Is this rare at all? Ill get us some nice close-up pics here soon.
Welcome to CoinTalk. We need a pic to understand what your error is. From your description it sounds like your coin may be off-center. Just so you know, it has to be off-center quite a bit before it would command a premium from collectors.
This is caused by a misaligned die. Extreme cases sometimes attract some interest but usually there isn't a lot of premium attached to these.