For the past few weeks I've been going through coins that we've been collecting and that have been passed down through generations in our family. So I really don't know what I'm looking at here, but I just found a 1999 P nickel that looks like it's completely made out of copper. But I can't find anything on the internet that says there such a thing as a 1999 copper nickel. Has anyone ever heard of this?#8311;