PRUSSIA Rare reserve officer's helmet of the 4th Prussian Grenadier Regiment, "Frederic the Great". Patent leather shell. Gilded brass tip with three base stars. Gilded brass plate with the Prussian eagle surmounted by the reservist cross, surmounted by a plate marked "1626" with a black lacquered background. Leather-lined scale chinstraps. Officer's cockades in Prussian and Reich colors. Beige leather and moire inner cap (worn) with brass "R" motif. A.B.E.