P107.  Iron sukashi tsuba.  6.7 x 7 x .4 cm.  The nakago hitsu-ana is .8 x 2.5 cm.  I’m thinking this is Kanayama but if someone who knows better that me said Owari I wouldn’t argue.  In either case this is a very nice tsuba with ample tekkotsu on the rim.  Very reasonable price also.  $275.