Wwii german factory helmet decal krauss maffei manufactures of half track military vehicles. With chinstrap and liner. See my other listings for more vintage knives and military collectibles for sale. #wwii #german #helmet #forsale. The item “Wwii German Halftrack Factory Worker Helmet W Liner Decal Krauss Maffei” is in sale since Monday, December 31, 2018. [Continue]