Description
Authentic Nihontō Japanese Sword Katana Attributed to Seisosai Muneari 精壮斎宗有 NBTHK HOZON TOKEN Certificate
Sōyū was a student of the renowned master Sōji Koyama during the Shin-Shinto period, and was known by the name Suzuki Jirō. Born in Mutsu Province, Hachinohe, he initially signed his works as Sōkyū. In the late Edo period, around the Bunkyū era, he was active in Hachinohe, a branch domain of the Nambu clan's Morioka Domain with 20,000 koku, where he served as an official swordsmith. Sōyū gained fame for his excellent cutting ability, and some of his works bear cutting test inscriptions.
This sword has a robust blade width and thickness, with a well-forged and dense jigane (steel surface) featuring thick ji-nie, resulting in a plain appearance. The elongated kissaki (tip) gives it a grand and imposing look. It is flawless, with a bright and clear jigane and ha (edge), making it a superb work that can be praised as one of Sōyū's outstanding creations. Although it is unfortunate that it is unsigned, the accompanying koshirae is elegant and in excellent condition, making it an exceptional piece for both art appreciation and collection.
Bare weight: 866 grams.
Weight with koshirae: 1,119 grams.
Nihontō Information
| Name 名称 | 無銘（精壮斎宗有） - Mumei（Seisosai Muneari） - |
| Blade Length 刀長 | 二尺二寸七分七厘 / 69.00 cm |
| Sori 反り | 四分三厘 / 1.30 cm |
| Blade Width 元幅 | 31.2 mm |
| Blade Thickness 元重 | 7.8 mm |
| Tip Width 先幅 | 物打24.9 mm 横手位置22.5 mm |
| Tip Thickness 先重 | 物打6.2 mm 松葉位置4.9 mm |
| Mekugi-ana 目釘穴 | 1個 |
| Age 時代 | 江戸末期文久頃 (1861～) The last years of Edo era(19th century) |
| Certificate 鑑定書 | 保存刀剣鑑定書 (NBTHK HOZON TOKEN Certificate) |
| Registration 登録 | 平成23年9月7日 兵庫県登録 Registered on September 7, 2011, in Hyogo Prefecture |
| Included 附属 | 素銅はばき (Copper Habaki) |
| 黒石目塗鞘打刀拵 (Black Ishime-nuri Saya Uchigatana Koshirae) | |
| 白鞘 / 継木 (Shirasaya Case / Replacement Wood) |
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