Momoyama (1573-1615) or Edo (1615-1868) period, early 17th century The russet-iron helmet modeled after the Shinto deity Izuna Gongen, with wrinkles and eyebrows hammered up in uchidashi, the eyebrows applied with decorative iron rivets and surrounded with small dot-sized indentations which originally supported animal-hair eyebrows, the top plates with standing iron spikes in the form of a bird's crest and decorated with thick silver and gold nunome-zogan overlays with two confronted phoenixes breathing fire, the side plates decorated with heavy silver and gold nunome-zogan with stylized kirin, with an older restored liner, the gilt-metal maedate formed as a Buddhist ken (straight sword), the helmet fitted with a conservatively restored five-lame shikoro lacquered black and laced in orange, with gilt-copper family crests applied to the fukigaeshi 6in (15.2cm) high, helmet bowl