A signed guitar pickguard, autographed in-person by Jakob Dylan (vocals/guitar) of The Wallflowers and son of Bob Dylan. In-Person Signature. Authentication: JSA (James Spence Authentication) Certification Number: EE53727 Collector Note: Signed guitar pickguards featuring Jakob Dylan are highly desirable, representing the acclaimed singer-songwriter of The Wallflowers and continuing the legacy of the Dylan musical dynasty. Authenticated in-person signed guitar memorabilia are especially sought after by collectors of rock and alternative music history. A display-ready, standout collectible from a notable figure in modern rock music.