Q167.  Yamagane (copper) tanto tsuba.  4.9 x 6 x .3 cm.  The nakago hitsu-ana is .7 x 2.5 cm.  2 turtles in shakudo and gold rest on rocks at the side of a stream.  The signature is Hideyasu Saku.  There is a shakudo pillow in the ryo-hitsu and condition is pristene.  $175.