T400.  Shakudo or more likely patinated copper tsuba.  6.7 x 7.1 x .35 cm at the rim (thicker elsewhere).  The nakago hitsu-ana is .8 x 2.8 cm.  Gold vines festoon nicely carved trees, all placed on an incredibly finely stippled surface.  This is signed Yasuharu with a kao.  Condition is excellent.  $540.