A signed oversized 6" Funko Pop, autographed in-person by Josh Brolin, from the film Guardians of the Galaxy (2014). In-Person Signature. Authentication: PSA/DNA [Professional Sports Authenticator / DNA Authentication Services] Certification Number: Z93367 Collector Note: This signed oversized 6" Funko Pop features Josh Brolin in his iconic role as Thanos from Guardians of the Galaxy (2014), capturing one of Marvel’s most memorable characters. In-person authenticated autographs like this combine collectible value with striking display appeal for fans of superhero films and pop culture memorabilia. A display-ready, standout collectible from a celebrated Hollywood actor.