Parachute Back Pad, Irvin, MK.1 for an Observer or seat type harness. Stores reference 15A/191. Wartime pattern plain weave khaki duck cotton backpad with webbing straps to secure the harness. With Irvin label, Air Ministry King's crown stamp, War Department broad arrow and 1948 and 1954 inspection stamps. Minor soiling otherwise in very good condition. Stock code S23618.