This turned brass case is simply marked "8" on both sides of the primer. Measurements are Bullet: 0.810, Case Mouth: 0.885, Base: 0.923, Rim: 1.030, Case Length: 3.223, OAL: 3.808. The bullet has a slightly different color at tip, it may have a tube inside or may just be a mark from the loading machine. This is a very large round, very impressive, the recoil must be quite stout. Free shipping.