Helena Bonham Carter Autographed Harry Potter Bellatrix Lestrange 11×14 Photo. This 11×14 photo of Bellatrix Lestrange from Harry Potter has been personally hand-signed by Helena Bonham Carter during her signing with Celebrity Authentics. Photo ships affixed with Celebrity Authentics serial-numbered and tamper evident Authentication Hologram and includes Celebrity Authentics Certificate of Authenticity featuring picture of …