T402.  Iron tsuba with gold inlay.  6.3 x 6.7 x .65 cm on the raised rim (.4 cm on the plate).  The nakago hitsu-ana is .8 x 2.2 cm.  I would call this Tempo School because of the hot stamping, although some might think the gold is a bit out of place for the school.  Whatever this is it is very nicely made and in excellent condition.  $225.