Nice original WW2 example of the Army Air Force OD HBT cap. Even fade, few picks but clean, totally solid and wearable.Circumference measures 22.50 with soft tape around the inside headband. Please check the listed photographs for all details and feel free to get in touch if any further information is required. The item "US AAF HBT Cap WW2 Army Air Force Cap A3 WW2 Mechanic's Cap Wearable 22.5 Size" is in sale since Thursday, August 23, 2018. This item is in the category "Collectables\Militaria\1961-1975/ Vietnam War". The seller is "crowdfunded_assassin" and is located in London. This item can be shipped worldwide.