A signed 8x10 inch photo, autographed in-person by Bradley Cooper, voicing Rocket Raccoon in the film Guardians of the Galaxy (2014). In-Person Signature. Authentication: ACOA [AutographCOA] Certification Number: SB57509 Collector Note: This signed 8x10 captures Bradley Cooper lending his voice to Rocket Raccoon in Guardians of the Galaxy (2014), a key character in the Marvel Cinematic Universe. In-person authenticated autographs like this are highly collectible and make a standout piece for MCU fans and pop culture collectors. A display-ready, standout collectible from a major superhero franchise.