It it helmet of Imperial Italic E type. The object is dated 98-117 CE and was discovered in Hebron (Israel).
This helmet had a deep bell with nearly vertical walls at the bottom, a percolator, and above it wavy protuberances, so-called. eyebrows, at the back a large cap with a carrying handle, and above it a so-called fold. The facial part was covered by the mantis at the front with eye and mouth cutouts at the ears. The number of eyebrows and folds, the angle of inclination of the parchment and the profile of the cheeks differed in the individual varieties. These helmets could be decorated with bronze rosettes on cheeks and with bronze narrow strips at the edges.