T454.  Iron, mokogata sukashi tsuba.  7.6 x 7.9 x .55 cm.  The nakago hitsu-ana is .9 x 3.1 cm.  Boar’s eyes are the sukashi and the mei reads Yoshu Ju Shoami.  Near as I can tell, Yoshu refers to an area of Tango Province.  Classic design with subtle tekkotsu on the rim.  $145.