Edo Period, early 18th century The helmet is a very rare iron zunari kabuto (helmet in the shape of a human head) with high level iron kirigane (cut-out applications). The lower side is in fact decorated with an applied karakusa band, while the top is fitted with an elaborate openwork lozenge from which a long ken descends toward the visor. The front plate is sharply embossed with eyebrows and wrinkles. The four-stage shikoro (neck protector) is laced in kebiki odoshi with three colors, as the rest of the armor.The cuirass is of okegawa-dō style, with horizontal plates of wavy outline,...