Original and scarce (not current reproduction) Australian issue US M1 steel helmet used by Australian troops (mainly Artillery and Mortar units) during the Vietnam War period. Complete with liner, suspension, neckband, chinstrap and sweatband which is marked with /|\ and dated 1969. The liner has the Australian NSN (National Stock Number) stamped in white. The helmet heatstamp is 4413 indicating manufacture by the Parish Division of the Dana Corporation and produced between 1968 and 1970. Used condition with slight metal fractures at the rear. The helmet in the photo is the helmet you receive. Scroll down for more photo description. NOTE: These helmets are sold for collectable purposes only and are not suitable for any other purpose including, but not limited to, use on motorcycles, bicycles, skateboards etc and are not registered by Government authorities for these purposes.