Serbia M59/85 Airborne

Standard Yugoslavian M59/85 infantry helmet with the addition of a modified chinstrap harness for extra support. The chinstrap is fixed and adjusted at four points by a velcro system, but attached to the liner suspension at three points, the rear being  attached directly by a "Y" configuration and the front two are extensions of the liner cradle, the chinstrap is secured by velcro and an additional pressure snap next to  the chincup.  This example has the standard Serbian Army decal affixed to the front of the helmet, and a M89 camouflage cover is present also.
(Courtesy: D Powers Collection)