Ordering number : F16847
O-Yoroi and Kabuto (Large Armor)
Mei (signature): Mumei (unsigned)
Era : Modern (around early Showa, some metal parts are older than Showa)
Special feature: It is nice work.
The O-Yoroi means large size armor.
The O-Yoroi is a promient example of early Japanese armor worn by the Samurai class of fudal Japan. That started in Heian and Kamakura period.
Aoi-Art estimation paper.