It is a tsuba of “Kishu Ju Sadanaga 紀州住貞命” which is great kinko of Kii-koku. Kisyu Sadanaga played an active part over the first and second from the early stages of Edo to the middle. This tsuba gives sukasi-bori made to typical tetsu-ji of Kisyu Sadanaga which was made.
Size: 8cm x 8cm x 0.35cm