Antique Japanese Sword Wakizashi Signed by Nobukuni with NBTHK Tokubestsu Hozon Certificate
【Description】
Summary
This blade was signed by Nobukuni (信国), or called Saemon no Jyo Nobukuni (左衛門尉信国), according to NBHTK’s Tokubetsu Hozon appraisal. He was active during the O-Ei era (1394-1427: Early Muromachi period) in Yamashiro province (Today’s Kyoto).
Nobukuni is also the name of the school he belonged to, and it was prosperous during the Nanbokucho-Muromachi period. He was also known as a master of engraving and one of the prominent figures in the school. There were a few generations of Nobukuni, and he was the third-gen Nobukuni. To distinguish him from other Nobukuni, he is often called O-Ei Nobukuni because of the era he forged blades.
The first-gen Nobukuni was an apprentice of Soshu Sadamune (相州貞宗), one of the most famous swordsmiths. He was a grandson of Ryokai Hisanobu, who was a renowned maker in Ryokai school.
Ryokai School
Ryokai was a swordsmith from the late Kamakura period in Yamashiro Province(Today’s Kyoto). It is said that he was a son of Rai Kuniyuki (来国行) and a younger brother of Rai Kunitoshi (来国俊). Both of them are renowned swordsmiths throughout Samurai history. Ryokai founded his school, and the apprentices were allowed to use Ryokai in their maker’s names. Ryokai’s son was Ryokai Hisanobu, who took over the school.
Horimono (Engraving on the blade)
On this blade, you would find the Horimo of Bonjis (梵字, Sanscrit letter). Sword carvings often depict Fudo Myo-O (不動明王, acalanātha) or his incarnations, and there are also Sanskrit characters that represent this god. Among the various Buddhist Buddhas, Fudo Myo-O was deeply worshiped by Samurai warriors. According to a theory, this god is the incarnation of Dainichi Nyorai (大日如来, Mahāvairocana, the principal image of esoteric Buddhism). Perhaps the most common type of Sanskrit character carved on the blades is the character “Kahn (カーン)”, which means Fudo Myo-O. There is also a Sanskrit character called “Kanmarn (カンマーン),” which is combined with the word “Man.” There was once a trend that Samurai warriors incorporated motifs with religious meaning into their battle costumes, such as armor and helmets, and this sword carving was also a way to express their religious beliefs. We hope you enjoy this carving as well as the beauty of the blade itself.
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.
*Please keep in mind that there are a couple of Kitae Kizu on this blade. If you like to know the detailed condition, please feel free to contact us.
【Blade】
Cutting Edge Length(Nagasa)：55.6 cm (21.8 inches)
Curvature(Sori)：1.8 cm (0.70 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
Kissaki：Kissaki is the tip of the Japanese sword.
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).
All of the sword mountings of this Koshirae are decorated with the common motif: the Gosan-no-Kiri Mon (五三の桐紋). It comes from the Kiri (桐, paulownia) pattern, and the Gosan-no-Kiri Mon is a popular and famous design for this flower pattern.
The Kiri (桐) pattern is generally composed of three standing straight inflorescences and three leaves. The number of blooming flowers at each inflorescence means the ranks of this design. The imperial family and national leaders back then once used this plant pattern. Today, this plant pattern is used as the crest of the Japanese Government. It is permitted to be used by ordinary households and is appreciated as their family crests. According to a tradition, the Houou (鳳凰, Fenghuang, a kind of sacred beast) rests its wings at the paulownia tree; therefore, it has come to be regarded as a sacred plant.
The surface of each sword mounting and metal fittings were finished with the Nanako-Ji (魚子地) technique. By hitting with the Nanako-Ji Tagane (魚子地鏨, chisel used for this technique), delicate fish egg-shaped protrusions are made on the surface of the metal. This process is often seen and is one of the elements that add gorgeousness to the appearance of metalworks.
Fuchi-Kashira：A pair of matching sword fittings that cover the upper and bottom parts of its sword hilt.
In addition to the Gosan-no-Kiri Mon (五三の桐紋), flower patterns are designed on this Fuchi. We estimate the motif of this plant pattern is chrysanthemum (菊, Kiku) or sunflower (向日葵, Himawari). The sunflower always faces the sun. This habit might have been captured in a positive meaning and treated as a motif for this Menuki. If the motif of these flowers is chrysanthemums, there is another theory. As chrysanthemums’ petals form radially, this flower has been likened to the sun. People treated this plant as a symbol of perpetual youth and longevity or good health.
Tsuka and Menuki：Tsuka is the handle of the Japanese sword and Menuki is its decoration.
Tsuba and Habaki：Tsuba is the handguard for the Japanese Sword and Habaki is the equipment to make the blade not touch its scabbard inside. It prevents the blade from getting rusty and chipped.
This Tsuba has the shape of Yotsu-Mokkou. Its origin is the shape of eggs in a nest. When a quince (it is written 木瓜 in Japanese) is cut into round slices, its cross-section looks similar to this shape; therefore, it was named Mokkougata Tsuba (木瓜形鐔). Yotsu-Mokkougata (四ツ木瓜形, a combination of four Mokkou shapes) Tsuba is often seen, same as this Tsuba.
Also, the Gosan-no-Kiri Mon and flower patterns are randomly depicted on both sides of this Tsuba.
Saya：Saya is the scabbard for the Japanese sword.
Authentication Paper：NBTHK Tokubetsu Hozon Certificate for the blade (No. 1018960)
NBTHK, also known as Nihon Bijutsu Touken Hozon Kyokai (the Society for the Preservation of the Japan Art Sword), is one of the oldest Japanese sword appraising organizations in modern-day Japan. They authenticated the blade on Dec 14th in the 4th year of Reiwa (2022). They appraised it as Tokubetsu Hozon Touken, the blade especially worth preserving for Japanese society. We are expecting to receive its authentication paper by the end of August. The purchaser will receive this original certificate as well. We can also translate what is written into English and make a PDF file for your record if you request.
Registration Number : Kanagawa 30274
The Board of Education in Kanagawa prefecture issued a registration paper for this sword. It is called Jyu Token Rui Torokusho (銃刀剣類登録証). Bunkacho (The Agency for Cultural Affairs) acknowledges a Japanese sword with this paper as a work of art.
The sword needs to be traditionally hand-forged and made of Tamahagane carbon steel to be registered in the system. With this paper, its owner in Japan can legally own an authentic Japanese sword. Based on this registration number, we will apply for its export permit.
This paper will need to be returned to the board of education when the sword is being shipped abroad, but you can receive a copy of it. An English translation of this registration paper is available on request.
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【About us】
Samurai Museum is located in Tokyo, Japan, exhibiting antique artifacts related to the Samurai history. Samurai Museum Shop is the place for those who are interested in Japanese culture and craftsmanship. We deal with antique Samurai swords/armor, traditional crafts made in Japan and so on.
【Japanese Sword& Export Process】
The Japanese swords we deal with are hand-forged edged swords made in Japan. It was made from the traditional carbon steel called TAMAHAGANE(玉鋼). Samurai Museum is familiar with the proper legal procedure for an antique/ authentic Japanese sword to be exported from Japan. We have sent more than 700 Japanese swords for the past few years (～2024) to amazing owners who appreciate its historical value.
Each Japanese sword is registered under the Agency for Cultural Affairs and the Board of Education in Japan. They issue a registration paper for each Japanese sword for its owner in Japan to legally possess it. The Japanese sword with its registration paper means it was traditionally hand-forged in Japan.
To legally export the sword from Japan to other countries, we will have to apply for its permit to the Agency for Cultural Affairs(Bunkacho) and return the original registration paper to the Board of Education. It normally takes around 2-4 weeks to receive this permit after submitting required documents. And we would like you to expect at least 1-1.5 months for your order to arrive at your given address after you ordered. For more detailed info, please click here.
It is allowed for residents in Japan to own authentic Japanese swords without a special license as long as they come with registration papers. Please feel free to contact us if you are a resident of Japan, whether temporarily or permanently. We will also assist you when you leave Japan and need to obtain the export permit.
【Payment Method】
We accept payment through Stripe (Credit card), PayPal, Apple Pay or ChromePay, all of which are secure payment methods. Also, you don’t need to make an account on Stripe for the checkout. If you prefer other payment method, please contact us. After confirming your payment, we will apply for an export permit. You may either pay in JPY, USD, AUD, CAD,EUR CHF or GBP. The price is set in Japanese Yen. Prices in other currencies are automatically calculated based on the latest exchange rate.
* If the amount is above 1 million JPY, Stripe or wire transfer will be the only options for payment.
【Shipping】
We have shipped authentic Japanese swords to the USA, Canada, Mexico, Germany , Belgium, France, Finland, Hong Kong, Australia. If you don’t live in these countries and like to order, please contact us first before making a purchase. We offer Free International Shipping as long as we can send antique Japanese swords by EMS.
We normally ship by EMS(Express Mail Service) provided by Japan Post. We will send you a tracking number for your order as soon as we hand it to the post office. We will put 100 % insurance on the shipping document without any extra charge. Based on the total amount, there might be a duty tax or other fee for you to pay, depending on the countries. We use package cushioning to protect the item and put it in a PVC pipe, which is one of the most secure packages because of its durability.
It will normally takes 5-14 days for the item to arrive at your given address after we dispatch it. Time of delivery is estimated as accurately as possible by the carrier but does not take into account any delays beyond our control such as by inclement weather, post office holiday seasons.
* If you live in Australia and like to purchase an authentic Japanese sword, please click here to know the detail.
* If you live in the UK and like to purchase an authentic Japanese sword, please contact us first and click here to know the detail.
【Review】
Here is one of the reviews we received from a customer who purchased an authentic Japanese sword from us. For more reviews, please click here.
“My experience overall with the whole process was wonderful. I had many questions about the history and process to purchase these treasures. All my questions were answered very timely and complete. The staff is very knowledgeable and very well versed if any questions do arise.”
【How to make sure the condition】
Please keep in mind that what you are going to purchase is an antique item. We uploaded high resolution photos for you to check its condition thoroughly. If you like to see more photos with different angles, please feel free to contact us. We will be happy to send them to you so that you can make informed decision. It is essential for us to know that you are happy with your choice of a sword. and we are prepared to use the best of our ability to serve you.
【How To Contact Us】
Please contact us through email, Facebook Messenger or Live Chat if you have any questions. You can find each icon on the right side of the website. Please click one of them to reach us. We will reply to you within 1-2 business days.
【The Art of Nihonto (Japanese Sword)】
Samurai’s history is a profound, eloquent legacy of ancient Japanese warriors in which millions of people worldwide are being fascinated. If you like to find out the art of Nihonto, please click here.
【A Guide to Japanese Sword Maintenance】
After acquiring an genuine Japanese sword, it is also important to know how to take good care of it. Here is the special video for you. Mr. Paul Martin, Japanese sword expert, shows you how to give proper maintenance to your sword. By mastering how to clean the Japanese sword, its aesthetic beauty will last forever.
When you purchase a Japanese sword from us, you can get a Free Japanese sword maintenance kit. It comes with four tools(Choji Oil, Uchiko Whetstone Powder, Peg remover, Oil Applicator). By watching the video instruction above , you can enjoy learning how to maintain your Japanese sword while appreciating it. If you have any difficulty assembling the sword or cleaning the blade, you can feel free to contact us.
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