A signed guitar pickguard, autographed in-person by Trey Anastasio (guitar/vocals) of Phish. In-Person Signature. Authentication: ACOA Certification Number: RA78551 Collector Note: Signed guitar pickguards featuring Trey Anastasio are highly desirable, representing the legendary guitarist, vocalist, and founding member of Phish, one of the most influential jam bands in modern music. Authenticated in-person signed guitar memorabilia are especially sought after by collectors of live music and rock collectibles. A display-ready, standout collectible from a true improvisational music icon.