G4839.)IMPERIAL PRUSSIAN ROYAL GUARDS PICKELHAUBE EAGLE PLATE: identified in a contemporary guide to German pickelhaube this eagle plate is identified as 'Grenadier-Garde Adler'. Highly vaulted stamped brass to conform with helmet's profile, 9" wide. Has two brass prongs on the back, one missing. Massive Prussian eagle with scroll 'MIT GOTT FUR KOENIG UND VATERLAND' (With God for King and Fatherland). EXC++++