説明
Antique Japanese Sword Wakizashi Signed by Nobukuni Yoshikane with NBTHK
Tokubestsu
Hozon
Certificate
【Description】
This blade was signed by Chikuzen Jyu Minamoto Nobukuni YOSHIKANE(筑前住源信国吉包) in the early Edo Period. He was especially active during Kanbun era (
1661-1681
). Chikuzen is the name of the province located in Fukuoka today. Jyu means living. Minamoto Nobukuni is the name of his school, and YOSHIKANE is his maker’s name. Those who belonged to Nobukuni School in Chikuzen province were called Tsukushi Nobukuni, one of the most prospered sword forging schools in Kyushu island. His birth name was Nobukuni Sukezaemon (信国助左衛門). He is also known as the son of Nobukuni Yoshitsugu, another famous figure in the school.
The Nobukuni school was initially founded by the first generation Nobukuni in Kyoto. The school stayed there for a few generations. However, the 4th generation Nobukuni SADAMITSU had to leave Kyoto city as the battle between the south emperor court and the north emperor court became severe. And, as a result, Kyoto city was burnt(the late 1300’s). We called this battle Nanbokucho war when the Japanese imperial court was separated into two.
Nobukuni Sadamitsu managed to escape and arrive at Usaha(Ohita prefecture)to serve the Ajimu clan. However, after the Ajimu clan was destroyed, The 12th generation Nobukuni YOSHISADA moved to Chikuzen(Fukuoka prefecture)to serve Kuroda Nagamasa, a famous feudal lord(1602). YOSHISADA was a grandfather of YOSHIKANE(14th generation Nobukuni).
The swords forged by Nobukuni school weren’t probably as famous as Chikuzen Sekido school because they were only allowed to sell within the Kuroda clan, not to other clans.
YOSHIKANE was the father of SHIGEKANE, who served 8th generation Shogun Tokugawa Yoshimune. His son, Shigemune, was selected as one of four swordsmiths who were allowed to inscribe hollyhock emblem, representing Tokugawa shogunate family crest.
This blade is appraised as a
Tokubetsu Hozon Token
(特別保存刀剣) issued by NBTHK(Nihon Bijutsu Touken Hozon Kyokai:日本美術刀剣保存協会). This authentication paper was only given to authentic Japanese swords, especially well preserved and high quality with artistic value.
【Blade】
Cutting Edge Length(Nagasa)
:
39.75
cm (15.6
inches)
Curvature(Sori)
:
1.3
cm (0.51 inches)
Hamon
:
The crystalline structure which forms along the cutting edge of a blade as a result of the hardening process
Jimon(Jihada)
:
visible steel surface pattern created by folding and hammering during forging process
Nakago
:
Nakago is the tang of the Japanese sword.
Japanese swordsmiths left the black rust on the tang because it prevents red rust while the tang is in its handle. And the discoloration of the tang was created over time, and it is a great indicator for a Japanese sword specialist to estimate when the sword was forged.
Koshirae:
Koshirae is the mounting of the Japanese sword. There are several parts that consist of Koshirae such as Saya(Scabbard), Tsuka( Handle), Tsuba(Handguard).
The theme of the Tsuba and Fuchi Kashira is dragon (龍). Initially, the dragon was an imaginary creature found in ancient foreign traditions and myths. Furthermore, it is regarded as a symbolic beast of auspicious signs. Its body is likened to nine animals: antlers are deer, the head is a camel, eyes are demons, the neck is a snake, the belly is the Mizuchi (蛟, a mythical animal in Japan that looks like a snake and has a horn and four legs), scales are fish, claws are falcons, palms are tigers and ears are cows. It was thought that the dragon would reign at the top of all animals because of its odd-looking appearance. The dragon design is found in many sword mountings. It shows that lots of Samurai warriors favored this dignified beast motif.
In Japan, there is a belief that worships dragons as water god and is called the Ryujin Shinkou (竜神信仰). Since rice cultivation flourished in this country, water is always an essential resource. Therefore, the dragon motif has been familiar to Japane