M239.  Kinko tsuba.  6.7 x 7.5 x .4 cm on the fukurin.  The nakago hitsu-ana is .9 x 2.6 cm.  Patinated copper (yamagane) covered in tsuchime (hammer work).  Shakudo fukurin and a copper pillow in a ryo hitsu.  Very simple; quite tastefull.  Condition is excellent.  Was $345, now $275.