US Navy Life jacket named PE Vincent

Rare US Navy issue B-4 pattern AN-6519-1 life preserver vest aka Mae-West as issued to Paratroopers, US Army Air Force or US Naval aviators. From February 1944, AN-6519 was the new designation for the B-4 life preserver as part of an effort to expedite mass production of a vest that could be issued to the Army or Navy Air Force (A-N=Army-Navy). The vest is named P.E. Vincent. The vest is marked with USN indicating US Navy issue.