T385.  Iron sukashi tsuba.  8.1 x 8.1 x .35 cm.  The nakago hitsu-ana is 1 x 3.3 cm (quite large).  Tsuba of this style are usually given to Tosho (swordsmith); might as well go with that.  Steppping stones in a garden, I believe, with subtle tekkotsu on the rim.  Great condition.  $175.