These helmets have become very hard to get, so get them while you can! Exterior and interior are excellent as show. For the Military or Aviation collector. Thanks for your time and once again please do not hesitate to ask questions. The item "NOS XL GENTEX SPH-4 HELICOPTER PILOT FLIGHT HELMET SPH-4B" is in sale since Saturday, August 28, 2021.This item is in the category "Collectibles\Militaria\Surplus\Other Military Surplus". The seller is "tolly4" and is located in Gilroy, California. This item can be shipped worldwide.