WW2 US Army Air Force B-4 May West Life Preserver MFG Republic - May 1944. Heavily stained by the dye marker that leaked. US Army Air Force stamp. The item "WW2 US Army Air Force B-4 May West Life Preserver MFG Republic May 1944" is in sale since Saturday, January 23, 2021.This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Field Gear, Equipment". The seller is "aviationetc" and is located in Toms River, New Jersey. This item can be shipped worldwide.