Wooden Fender Dreadnought-style acoustic Educational series guitar signed on the body in black felt tip marker by musician John Mayer. Measuring approximately 39" x 14.5" x 4" and in fine condition. Guitar is accompanied by a semi hard case. Authenticated by Beckett, with their official hologram affixed to the butt of the guitar (#BY029671)- Beckett's trusted replacement for paper certifications.