Pin 15329 WDW Cast Lanyard Series - Aristocats - I just bought one of these off the evil auction site. Can't decide if it is authentic or not. I have the Si and Am pin and the backs differ. These are the photos from the listing. If I need to remove them, please let me know. Can't see these as well, but you can see that the pin on the left has a different backstamp than the pin on the right. I know that the left pin is authentic. Is the pin on the right?