That's a proof cent...proof that the mint had poor quality control...
IMO, what you think is a S over D is just a plating bubble ot debris. Die crack on reverse might be or debris also..would need better photos.
to CCF, good luck on future finds
IMO, what you think is a S over D is just a plating bubble ot debris. Die crack on reverse might be or debris also..would need better photos.























