Nice shape PRK-37/P Gentex flight helmet. Has oxygen mask bayonet receptacles. The dark visor has a blemish on it and should probably be replaced, the padding inside looks to have been modified a little bit.
This item is in the category "Collectibles\Militaria\Current Militaria (2001-Now)\Original Items\Hats & Helmets". The seller is "jacksonequipmentsales" and is located in this country: US. This item can be shipped worldwide.