A signed Buffy the Vampire Slayer Funko Pop figure, autographed in-person by Sarah Michelle Gellar as Buffy Summers. In-Person Signature. Authentication: GA (Global Authentics) Certification Number: GV928310 Collector Note: Signed Funko Pop figures featuring Sarah Michelle Gellar as Buffy Summers are highly desirable, representing one of television’s most iconic vampire slayer characters. Authenticated in-person signed collectibles are especially sought after by collectors of TV and pop culture memorabilia. A display-ready, standout collectible from a beloved cult-classic series.