Harry Potter Sterling Silver Platform 9 ? clip on Charm with Crystal Elements This Harry Potter Platform 9 3/4 charm with Crystal elements and can be clipped to a link bracelet or necklace This charm depicts the famous Platform at Kings Cross Station from where Hogwart students gain access to the Hogwarts Express Presented in official Harry Potter branded packaging showing the Warner Bros logo. There is a matching necklace in this collection. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros.