This is a original HGU 2AP/G flight helmet came from an retired German Airforce Pilot

This is a orignal HGU 55/G helmet with MBU 5/P mask size small narrow

Original P4 A Pilot Helmet Size Large modified to P4 B with original Boom Mic

Original HGU 2/P Flight Helmet Size Large, Single Visor

Original SPH 4 Single Visor Helicopter Helmet Size Regular Custom Painted White

Original HGU 55/P LWT Size Medium with MBU 12/P Oxygen Mask Size Regular