M40 Helmet: a combat M40 helmet with unclear shell size stamp over “DN507” stamped on rear of skirt, aluminum liner suspension with heavy wire bales,  leather liner with size stamp “58” in circle  and double named “Olav V. Hallingstad” and “Fr. Kullas”, chinstraps. Period refinished in a dark tan/khaki showing lots of wear. (Item#g2032-4-5- )