A guitar pickguard signed in-person by Mike D of the Beastie Boys. A rare collectible for fans, this autographed pickguard celebrates one of the most innovative acts in modern music, bridging hip-hop and rock. The Beastie Boys are known for hits such as “Fight For Your Right” and “Sabotage,” showcasing their pioneering blend of rap, punk, and rock that has left a lasting mark on music history. This item is certified authentic and includes a COA with matching serial numbers from Beckett Authentication Services (BAS) Serial number – AA51132