A signed 8x10 inch photo, autographed in-person by David Ellefson (bass) of Megadeth. In-Person Signature. Authentication: BAS (Beckett Authentication Services) Certification Number: Q22806 Collector Note: Signed photos featuring David Ellefson are highly desirable, representing the legendary bassist and founding member of Megadeth, one of the most influential bands in thrash metal history. Authenticated in-person signed photographs are especially sought after by collectors of metal and rock memorabilia. A display-ready, standout collectible from a true metal icon.