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Wakizashi - Sukekane

Wakizashi - Unique pieces

Wakizashi - Sukekane - Sold 



Wakizashi - Bizen Osafune Ju Yokoyama Sukekane Saku ( 1st Generation)
"  Shinshinto – August 1864

Total Weight
0.681 kg
Weight without Saya
0.531 kg
Blade Weight
0.464 kg
Full length
Naked Blade (Toshin)
61.1 cm
46.2 cm
Tsuka Length
17.2 cm
Sori (curvature)
1.2 cm
Kissaki Length3.4 cm
Moto Haba
2.09 cm
Saki Haba
1.95 cm
Moto Kasane
            A= 0.69 cm
            B = 0.71 cm
Mesures Moto & Saki Kasane
Saki Kasane
            A= 0.55 cm
            B = 0.55 cm
Torii zori
Type Kissaki
Chū Kissaki (Medium length)
Blade Structure
Shinogi zukuri (diamond shaped)
Iori mune (Triangular) without Bohi
Nioi Deki, Yakidashi Suguha then Kobushigata Choji-Midare from the Yokoyama style with Ashi and Yo
Ko Itame (very tight and fine wood veins pattern)
O-Maru (rounded turning back in large circle)
A 14.9 cm Nakago Ubu (unaltered),
2 Mekug Ana, Sobota Gata shaped, end in Ha Agari Kuri Jiri.
Signed "Bizen OSafune Ju Yokoyama Sukekane Yaku" on the Omote and "Genji Gannen 8 Gatsuhi" (August 1964 - Shinshinto) on the Ura.
Yasurime Katte Sagari
Tinted Shirasaya of 150g and 52.5 cm length.

Fuchi Kashira)
- Tsuka of 43 g in tinted Shirasaya, 17.2 cm length.
1 Mekugi Ana with horn

- Bamboo Mekugi

- Habaki 21g in Muji pattern (without relif)
and few Kiri Yasuri (horizontal lines)
Team Review
Sold with Oshigata and A Juhotoken Kenkyukai Certificate (Osaka Certificate by Kobayashi Yukinobu)

Blade Description : Very nice short japanese blade, wakizashi type, with a Japanese polishing. From the Bizen Yokoyama school located in the ancient Bizen region, west Japan (Honshu), present Okayama prefecture, on the shore of the inland sea of Seto, next to Mimasaka, Harima and Bitchu. The beginning of the hardening line is typical from the Osaka area with a Yakidashi in Ko-suguha, fine straight line alongside the cutting edge (Ha). The feature of the hardening line (Hamon) of this peculiar Sukekane swordsmith is the Choji (Clove) worked in an imprint of a fist (Kobushigata Choji-Ba) with many activity (Ashi, Yo,...)
This kind of quenching line can be mistaken for those of Naka Kawachi Kunisuke.

Sukekane : Shinshinto era Bunkyu (1861-1864), Wazamono, Bizen area. His civil name was “Yokoyama Shunkichi”, he then changed for “Yokoyama Toshizaemon (Toshiyoshi)”, He was the adoptive son of Yokoyama Sukemori and was taught by the famous Yokoyama Sukenaga from the Shinshinto Bizen school, younger bloodbrother of Sukemori, He signed adding “13th Sukesada generation”, being in Shichibei Sukesada lineage via Sukemori, and, as for this blade, “58th Tomonari generation” in the Bizen lineage via Sukehiro. He has known signatures from 1835 to 1872. This Wakizashi is dated in 1864, are from his late workmanship. In these works we find a dense Ko Itame structure blending toward the Muji, his work on the Hamon in Choji Nioi-Deki with compact Nioiguchi, and his beginning in Sugu -Yukidashi (straight & thin line for a few centimeters).

Affiliates : As an information, Sukenaga, master of Sukekane and son of the swordsmith Sukehira, was also signing his affiliation to Tomonari as a “56th Tomonari generation”. He was acknowledged as a representative of the Bizen Yokoyama lineage by his father Sukehira, when the elder son, Sukemori, was adopted by Shichibei Sukesada. Sukemori, becomed Yokoyama Shichibei, representing the in between generation, the “57th Bizen Tomonari Generation”, and was active during the Tenpo era (1830-1844), He was also adopted by the 11th Shichibei Sukesada generation as an heir. This adoption made him transmitting the official title of Bizen ‘s Sukehiro son’s to the younger Sukenaga. He then took the civil name of Yokoyama Shichibei et Sukesada as a smith name.
It is to note that these signature complements were also used by other Bizen smiths, also, the complete list is Sukesada, Sukenaga, and Sukenori for the 56th generation, by Sukenaga (2nd) and Sukemori for the 57th, Sukekane et Sukeyoshi for the 58th generation.
Sukehira, Sukenaga’s father, and Sukemori, Sukekane grandfather’s, started the Shinshinto Bizen Yokoyama branch. 5th generation after Sazaemon Sukesada, younger son, he fisrt use the name of Sukesada, and later changed it to Sukehira. He was awarded the honorifical title of “Ise no Kami”. He studied the Soshu tradition under Motohira from Satsuma province, which is quite unusual for a Bizen’s smith.

Bizen, Features : The Bizen Yokoyama school comes from the ancient lineage of Ko-Bizen, renowned for its masters. An essential feature from these Bizen forges comes from a local component, the steel called “Tetsu Bizen” (the steel from bizen), which was very pure and high quality. The sand was also very abundant bein nearby the sea. also the Asahigawa and the Yoshigawa rivers, with a very pure water, fed the forges. Furthermore the very woody surrounding forests supplied the ovens with coal. All these factors and the geographical situation, on the “Sanyodo” road, made this location the Mecca of the forge with such ideal conditions. Added with “Bizen”, Sukekana did carved the known name of the Osafune village, in the vicinity of the Okayama town, and more precisely, between Bizen and Setouchi, along the Yoshii river. There is a “Biza Osafune” sword museum in Setouchi.

Tomonari : Historically, Sukekane refers to Tomonari, a 10th Century smith, in the Heian period. Tomonari was from the 3 greats smiths ot his time, along with Masatsune, also from Bizen, and Sanjo Munechika from Yamashiro. They were the precursor of the Japanese blades as we now them today, with only one hardened cutting-edge  and with a curvature. The Ko-Bizen school was one of the most prolific school of the Heian period, the Ko-Yamashiro productions were rare. The founder of the Ko-Bizen was named Sanenari, but there is no -known blades still existing. Tomonari, from who some works still exist today, was Sanenari’s son and was then considered as the founder of the school. So Sukekane is referring to this lineage in his signature completion “58th Tomonari generation”.
These generations conditioned the foundations of the Bizen’s masters for the following millenium. One shall keep in mind that these productions were for warfare, many were used, damaged, destructed or modified. There is but a few traces or existing pieces.
It also seems that the Ko-Bizen school existed until the Kamakura era, beside the rise of the Ko-Ichimonji group from wich the Fukuoka and Yoshioka Ichimonji branches are born. There is a lot of theories on the dates and the coexistence from these latest and Ko-Bizen.

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