The Perlring disappears on the M1887 helmet model for infantry and artillery. It persists for Prussian dragoons and Bavarian artillery Chevaulegers and Schwerereiter.
---M67 or M71 Prusse infantery and artillery Perlring.
---M87, M91, M95, M14 Ersatz, M15 Prusse infantery and artillery not at all Perlring.