T335.  Iron sukashi tsuba with water dragons chasing the flaming jewel  6.7 x 7.1 x .55 cm.  The nakago hitsu-ana is .8 x 2.6 cm.  I have been told, by someone who knows a lot more than I do, that this is work of the Akasaka School, most likely 4th or 5th generation.  Condition is great.  Now $195.