Transformers Bumblebee signed Funko Pop! Pop appropriately is signed by Keegan Michael Key as he voiced Bumblebee in the Transformers One movie and is authenticed too. Please see proof of Authentication. The certificate and sticker are with the Pop and a screenshot of the authentication is present in the photoa. Auto is authenticed by ACOA for a Funko Pop, however this window wasn't on a pop when signed and has since been attached to the correct Pop. It isn't often you'll find Keegan's auto on a Bumblebee Pop and when it is, it's rarely on the correct Funko Pop. Please note the auto does have some imperfections. This was like this when purchased from a very reputable source. All information and photos are present and any questions will happily be answered.