M162.  Signed huge iron tsuba.  8.8 x 9.6 x .5 cm at the raised rim.  The nakago hitsu-ana measures .85 x 2.85 cm.  Signed Kiyofusa on the left; not sure what it says on the right.  A most fearsome dragon churns the water: simple, direct carving very well done.  Condition is perfect; comes with a box.  $375.