A signed 45 record sleeve for the single Warning (includes the vinyl), autographed in-person by Billie Joe Armstrong (vocals/guitar) of Green Day. In-Person Signature. Authentication: JSA (James Spence Authentication) Certification Number: AI45455 Collector Note: Signed record sleeves featuring Billie Joe Armstrong are highly desirable, representing the iconic frontman of Green Day and one of punk rock’s most influential bands. Authenticated in-person signed vinyl collectibles are especially sought after by collectors of punk and modern rock memorabilia. A display-ready, standout collectible from a seminal release in modern punk rock history.