Original U.S. Cold War Gentex SPH-4 Helicopter Pilot Helmet - Dated 1987 British Flags The shell is made from

The shell is made from brown cotton which shows signs of honest wear and age

but in very good condition and are quite serviceable

from 1905 to 1907

and the original leather top tie is present as well

The half-life of some of these materials is short compared to the physical age of these older detectors so they may provide you with a quality check of functionality

Original U.S. Cold War Gentex SPH-4 Helicopter Pilot Helmet - Dated 1987 British Flags The shell is made fromOriginal Item. Only One Available. This is a very desirable SPH 4 Flight helmet with a 1987 DSA date. The helmet is in overall good complete condition with the liner, headset, visor, microphone, and tint visor. The helmets liner is deteriorating a bit. At the bottom of the brim on the interior reads DSA 100 87 C 4178 indicating a 1987 date. There is a tag on the interior reading HELMET, FLYING, SPH 4 REGULAR 8415 00 144 4981 DLA100 87 C 4178 4 88 LOT