It is a size Large, an extremely rare size to find today, and is dated 1942. The item "MINT Original WW2 US Army AAF A-9 Pilot Flight Helmet 1942 Large" is in sale since Friday, August 18, 2017.
This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Hats & Helmets". The seller is "worldwar2-militaria" and is located in Auckland. This item can be shipped worldwide.