Hello. I have a purple-ish color NES cover. My wife claims to have never seen one before, as do all of my friends that used to game. I can take pics if needed, but I want to know if these are common or not. I don't care about value (if it even has any), I just want to know if it's common and where it came from. I don't remember buying it separetly as a young kid, so that is why I'm curious. Thanks for any help.