Hand signed autograph signed by STRANGER THINGS star JAMIE CAMPBELL BOWER. Obtained in person at our private signing with Jamie Campbell Bower. Signed Vecna Funko Pop This item comes with our Certificate of Authenticity with a sticker on the plastic site. Since 2019, Rocket Signings is known as a professional autograph service. It is specialized in celebrity autographs, pre-order services and doing several private signings around the world. They also offer a pre-order service for Conventions around Europe and they work together with some events as their official send-in service! Rocket Signings is RACC Trusted Seller #333.