Original Russian ZSH-7AP jet pilot helmet with original KM 34 Series 2 Oxygen Mask

This is a Original Russian ZSH-7AP jet pilot helmet set, I think helmet size Size is 2 ( Label is missing)size is Large or X-Large , helmet is minimal used,exellent condition,sun visor slides inside in very good condition,Target designator bracket is installed. KM-34 series 2 oxygen mask is size 3,helmet and mask not missing any parts ,Communication system is complete include all avionics and plugs, including headphones and throat microphone ,Based on the original ZSh-7 design of 1987, it was introduced in 1990,Worn by pilots flying SU-27’s and MiG-29’s, it is equipped with a bracket where a Night Vision Equipment (NVE) or Sh-3UM-1 target designator is fitted,those devices allow the pilot to fire Air to Air missiles locking on targets by by looking at them,the ZSh-7 uses, as the ZSh-3 and -5, an occipital bladder to tighten the pilot’s face to the KM-34 Series 2 oxygen mask during High „G“ manoeuvres,the rubber part of the KM 34 mask is the same as the one of the KM-35,very nice helmet set include the gray helmet bag and green mask bag,all in exellent condition,