Period: Early 17th century.
Mei: Mumei. Attributed to Kunishige of the Miizuta (Soshu) school.
Sugata: Shinogi-zukuri, tori-zori, iori-mune.
Overall length: 22.40 inches (569.00 mm)
Nagasa: 17.56 inches (446.00 mm) long.
Nakago: Ubu, 4.84 inches (123.00 mm), . The yasurime are .
Kissaki: Chu-kissaki, 1.28 inches (32.47 mm). The boshi is ko-maru.
Moto-haba: 1.14 inches (28.86 mm). Moto-gasane: 0.25 inches (6.43 mm). Saki-haba: 0.83 inches (21.06 mm). Saki-gasane: 0.21 inches (5.40 mm).
Sori: 0.46 inches (11.56 mm)
Hamon: Gunome midare, nie-deki, kinsuji sunagashi. A very nice hamon.
Hada: Mokume with chikei in the jitetsu. Very nice.
Blade condition: In recent polish. Some slight grain openings, but otherwise in very good condition. No other flaws and no fatal flaws.
The Ko-Mizuta were established around the Kyoroku Era with production sites at Ehara, Ihara, Asaibe, Matsuyama and Niimi. The smiths of this school did not add ‘Mizuta’ to their mei. However, after the most prominent Shinto smith of this school, Oyogo Kunishige lived in Mizuta, all the smiths of this school were called called Mizuta. The workmanship of the school also changed in the Shinto period to a nie-based Soshu style. The school continued to the Taisho era.