M31 helmet liner size 62/55 with RBNr. 1944

Light worn M31 pattern German helmet liner in good condition. Steel band, maker marked with RBNr. 0/0417/0048 (by Schuberth-Werk K.-G. Braunschweig D.R.P.), most likely dated 1944. The leather itself is in very good condition and remains supple and strong. This liner is intented for a 62 sized steel helmet with a head size 55.