I have a weird looking smudge on a piece of clear plastic on one of my figures. It was like that straight out of the package. Looks like a fingerprint or as if heat slightly melted (stained) it. I tried wiping it off, but it's still there. I don't have my camera with me right now, but I can post a pic tomorrow. Has anyone ever had this problem? How do you remove smudges on clear plastic?