A heavy Hineno zunari kabuto Edo period (1615-1868), 17th century Iron, constructed of two side plates and a slightly elevated broad central plate running down the center, bound together by a wide koshimaki, the solid tsuke-mabizashi finished with a straight horizontal top edge cut at the corners and secured with three prominent rivets, covered in black lacquer, signed on the interior Asai Tomoyuki, the bowl fitted with a Hineno-style five-lame shikoro finished in black combed lacquer, the lowest lame in sabi-nuri, laced in blue spaced lacing, the front of the helmet fitted with a gold lacquer crescent-moon maedate