A signed Star Wars Funko Pop figure, autographed in-person by Mark Hamill as Luke Skywalker. In-Person Signature. Authentication: GA (Global Authentics) Certification Number: GV904453 Collector Note: Signed Luke Skywalker collectibles are highly desirable, especially featuring Mark Hamill in his legendary role from Star Wars. Authenticated in-person signed Funko Pop figures are especially sought after by collectors of sci-fi and cinematic memorabilia. A display-ready, standout collectible from one of the most iconic heroes in film history.