T315.  Iron sukashi tsuba.  7.3 x 7.3 x .4 cm.  Tha nakago hitsu-ana is .9 x 2.8 cm.  I don’t know the significance of long eared rabbits in Japanese lore but they do show up occasionally on sword fittings.  I find this to be a pleasant use of the design: nice simple tsuba.  $250.