T396.  Iron sukashi tsuba.  6.7 x 6.9 x .45 cm.  The nakago hitsu-ana is .8 x 2.7 cm.  Birds and ginger: a common pairing on sukashi tsuba.  I’m sure this should be classed with one of the major groups but I have no idea which.  Fine tsuba in excellent condition: works for me. $145.