Saba-O Kawari Kaburo. Possibly 17th century An iron helmet bowl extended with harikake in the form of a saba-o (mackerel tail) black lacquered, the mabisashi with embossed eyebrows lacquered red. A five lame hineno jikoro lacquered green and laced with black sugake odoshi. The helmet has been completely re-lacquered, modern lining not disturbed, modern rivets to shikoro.