A TACHI, the blade honzukuri, iorimune, koshi-zori with chugissaki, itame hada, suguha hamon of nie, o-maru boshi, ubu nakago with signature Hizen Kuni ju Tadayoshi saku, 17th century, 60.4cm., in a nashiji saya decorated with aoimon, full silvered copper tachi mounts, tsuba with o-seppa, aoimon menuki