Official Silver Plated Harry Potter Merchandise Silver Plated Lightening Bolt and glasses stud earrings. The earrings are silver plated with a gold plated lightening bolt. They have been created using the official style guide from Warner Bros and come on official Harry Potter branded packaging which shows the Warner Bros logo on the reverse. There is a matching necklace and charms in this collection. The Carat Shop are the official licensed manufacturers of Harry Potter Jewellery on behalf of Warner Bros.