Nagasone Tojiro Mitsumasa, helmet in the form of a sea conch shell, 1618, iron with traces of lacquer, textiles, 9 inches high by 10½ inches

Nagasone Tojiro Mitsumasa, helmet in the form of a sea conch shell, 1618, iron with traces of lacquer, textiles, 9 inches high by 10½ inches