Original WWII British MKII Named Paratrooper Helmet with Net and Scrim - Dated 1944 Japanese Uniforms The rim is marked U

The rim is marked U

held in a frame which is somewhat delicate

/50 calibers QF gun that weighs 22

so the Gas Rattles were instead used to warn people to get to shelters before air raids commenced

The manufacturer is probably Helmet Integrated Systems Ltd

Original WWII British MKII Named Paratrooper Helmet with Net and Scrim - Dated 1944 Japanese Uniforms The rim is marked UOriginal Item: Only One Available. This is a nice example of the British WWII MkII Paratrooper helmet, as used by British and Canadian forces. The MK II began to replace the MK I helmet in February of 1944. The MKII was not widely issued until September 1944, although some were used by the 6th Airborne Division during the Normandy Invasion in June, 1944. The MkII helmet saw widespread use when the Division fought at Arnhem during Operation Market