King of Prussia bodyguard helmet, model 1889. Brass shell with rivets and nickel silver rim. Radiating eagle plate. Leather-lined eyecups with scales (one missing). Silver-plated nickel silver parade eagle numbered "...40". Bomb stamped below the left trunnion "GdC 2". As is. Extensive restoration, re-piercing and reworking. Partly period. Later roundels in the Reich and Prussian colors.