Original Russia GSh 6 a High Altitude Flight Helmet Size 4 with Wooden Box

this GSh 6 A was used by the East German Air Force (NVA) in MIG 21 fighters,this helmet was introduced 1968 for the GSh 6 M,this helmet is unused and exellent condition,Helmet was probably a farewell gift and labeled with the squadron’s pilot name, but this label has been removed, sorry! Unfortunately, the white paint was damaged (see pictures), helmet is complete with neck ring,inner communications helmet with boom mic,wooden box blue,covers,manual and Cord substitute,all parts number like !!!!!,helmet shell is aluminium and heavily padded for protection,comfort and insulation,helmet is size 4 (X-Large),visor is electrically heated,oxygen enters helmet first around visor to prevent fogging,all in new,unused condition,very nice set in brand new condition,