----------------NOT AVAILABLE----------------  

Up for sale original aluminium liner frame model M 31 for German WWII combat helmets. 

Reinforced type (were introduced in1937) , made by most famous liners maker - Schubert Werk AG. 

This factory were producing such helmet liners since 1931.  

Excellent strong metal ground dug found condition. Markings preserved very well :

D.R.P  (Deutches Reich Patent)

Shubert Werk AG (factory name) 

K.G (deutch "Kommnditgesellschaft"  = Eng "Limited")

Braunschweig (city of production) 

1938 (year of production) 

Size - 62 (helmet shell) / 54 (liner)  n.A (deutch "neue Art" = eng "new Model")

Nice piece for helmet resto projects, still strong enough to use. Check the pics.