Ordering Number: 22268
Katana in Shirasaya(NBTHK Hozon Token)
Signature: Sakai Ikkansai Shigemasa/Showa 51 Nen 5 Gatsu Kichijitsu
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo Jyo saku ranking.
habak: Gold wrapped single habaki.
The blade was polished.
Blade length : 76.2cm or 30.0inches.
Sori:1.9cm or 0.74inches.
Width at the hamachi: 3.36cm or 1.32inches.
Width at the Kissaki: 2.37cm or 0.93inches.
Kasane: 0.73cm or 0.28inches.
The weight of the sword: 955 grams
Era: On a lucky day in May, Showa 51. Modern Times.
Shape: Long, broad, and thick blade with slightly deep Sori and longer Kissaki. Well-shaped.
Jigane: Koitamehada is very dense with Jinie. Beautiful Jigane.
Hamon : Niedeki Gunomemidare with deep Nioikuchi. Ashi works well and gets brighter. Kinsuji and Sunagashi work well in Hachu. Boshi is Midarekomi and turns back in a small circle.
Special feature: Sakai Ikkansai Shigemasa was born as the 3rd son of Sakai Yasujiro in 1905, in Shizuoka prefecture. He became a pupil of Kasama Ikkansai Shigetsugu at the age of 16, trained in sword-making for 10 years, and became close with Miyairi Akihira and others. He re-named himself in 1932, as Shigemasa. He started making swords at Nihonto forging place in Yasukuni shrine. He became an approved Army swordsmith in 1941, and also an approved Marine swordsmith in 1944. After World War II, he gave up making swords for a while, but he was approved as Mukansa Swordsmith in 1981 by NBTHK. After that, he made many masterpieces and passed away in 1996 at the age of 91.
NBTHK Hozon Token
Aoi Art estimation paper
whole Oshigata by Ayaka Tsuruta