Q628.  I believe this to be a Choshu tsuba and I have no idea why it isn’t signed; it is very well done. 6.9 x 7 x .45 cm. The nakago hitsu-ana is .7 x 2.5 cm. Ginko, maple, a pine cone, and 2 other leaves, all crisply carved and of a blue black iron. $225.