Knucklebonz Rock Iconz 2022 Cliff Burton Metallica. New Never displayed Inspected and Photographed certificate #1545 of 3000. Only 3000 pieces created and sold out worldwide. All Rock Iconz statues are officially licensed, limited edition collectibles. Each piece is hand-crafted. This is a fine-arts process where each statue is hand-cast, painted and numbered. These statues are created in 1/9 scale, making the average height of each approximately 8.5” tall and each statue comes with a certificate of authenticity on the base of the statue.