Kinko Fuchi Kashira. Motif of birds in flight. Shakudo nanako ground. Signed: Yanagawa Nao Mitsu (Kao). 1733-1809. Went to Yedo and became a pupil of Yanagawa Naomasa. Became 4th hereditary Yanagawa master. Ref: Baur, P.391 (408). Beautiful work!