This is a complete M1 Helmet for the 80's. It includes helmet band, cover, helmet, chinstrap, jump liner, sweatband, nape strap. The helmet has a marking on the inside right side 8561 as seen in the picture. The chin strap on the helmet is the standard strap not the jump helmet chinstrap. The liner is a parachutist liner but the A suspension for the chin strap has been cut off. The liner has the previous owner name written on the top. The cover is the Mitchell cover dated 1970. The cover and has a a few tears.