I recently bought an old C Mel and am restoring it. Among other things, I need to remove the tarnish. I know there are a lot of posts on here in different parts but never a conclusive answer on one post. I've read that the bath with aluminum foil actually reads to more tarnishing while using silver polish harms the structural integrity of the horn and doing nothing leads to further deterioration. Is there any way to ultimately clean it up without harming the integrity of the horn? Also, would a re-lacquer at all make the horn less likely to suffer form further tarnish damage?