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This is a daisho by Sakai Ikkansai Shigemasa with a beautiful paired eggshell lacquer koshirae. I’ve never seen a koshirae made to this level of quality, and some to whom I have shown the daisho think that the koshirae of a higher quality than the blades themselves (which says quite a lot). The handles are twist-wrapped with leather. Both blades also have kozuka. Both blades were made in 1971.


The blades+koshirae come with additional kantei papers from Mitsuo Shibata.


The dai is tremendously long, coming in at over 2.5 shaku. Both blades are in good condition, and have nice horimono.


Daisho Type: Katana + Wakizashi

Ubu, Suriage or O-Suriage : Ubu

Mei: Sakai Ikkansai Shigemasa

PapersNBTHK Tokubetsu Hozon, Mitsuo Shibata kantei

Era/Age : Gendaito

Shirasaya, Koshirae or Bare Blade? : Matching daisho koshirae

 

Katana (Dai)

 

Weight: 999 g

Nagasa/Blade Length : 76.5 cm

Sori : 1.8 cm

Mekugi-ana: 1

Width at base: 3.2 cm

Width at tip: 2.4 cm

Thickness: 0.6 cm

 

Wakizashi (Sho)

 

Weight: 548 g

Nagasa/Blade Length : 48.4 cm

Sori : 1.2 cm

Mekugi-ana: 1

Width at base: 2.8 cm

Width at tip: 2.4 cm

Thickness: 0.6 cm

 

More Information:

This is a daisho with a beautiful paired eggshell lacquer koshirae. I’ve never seen a koshirae made to this level of quality, and some to whom I have shown the daisho think that the koshirae of a higher quality than the blades themselves (which says quite a lot). The handles are twist-wrapped with leather. Both blades also have kozuka.

 

The blades+koshirae come with additional kantei papers from Mitsuo Shibata.

 

The dai is tremendously long, coming in at over 2.5 shaku. Both blades are in good condition, and have nice horimono.

 

Smith Details:

 

Known Signatures:

Shigemasa (繁政)

Shigemasa (繁正) - initial signature

Sakai Ikkansai Shigemasa (酒井一貫斎繁正)

Tōtō Jōhoku ni oite Sakai Ikkansai Shigemasa kinsaku (東都於城北酒井一貫斎繁正謹作)

Sakai Ikkansai Shigemasa (酒井一貫斎繁政)

Sakai Shigemasa hori-dōsaku (酒井繁政彫同作)

Civilian Name - Sakai Hiroshi (酒井寛)

 

He was born on August 19th 1905 as third son of Sakai Yasujirō (酒井安次郎), the younger brother of Miyaguchi Shigetoshi (宮口繁寿), in Shizuoka. 

In 1925 he started his apprenticeship as a swordsmith under Kasama Shigetsugu (笠間繁継) and became independent in 1932. 

 

During World War II he worked for the forges “Nihontō-tanrenkai” (日本刀鍛錬会) and “Ōkura-Nihontō-tanrenjo” (大倉日本刀鍛錬所). During this period, he forged ten tantō for Admiral Yamamoto Isoroku (山本五十六, 1884-1943). He died 1995 at the age of 91.

 

Like his master Shigetsugu, he was an excellent horimono carver.

 

Kantei Details:

The additional kantei papers come from Mitsuo Shibata, who was a student of Fujishiro-sensei and of Japan’s foremost sword appraisers. He was a member of many Japanese sword appraisal organizations, including the Sword Appraisal Committee for the Japanese Agency for Cultural Affairs and the NBTHK.

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Sword Location : Seattle, WA

Will ship to : US (can discuss for overseas)

Payment Methods Accepted : Bank Wire (open to discussion)

Price and Currency : $15,500 USD

 

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