Antique Japanese Sword Katana Attributed to Onizuka Yoshikuni with NBTHK Hozon Certificate
【Description】
This blade is attributed to Onizuka Yoshikuni (鬼塚吉国), who was especially active during the early Edo period (1615-1624) in Chikugo province (today’s Fukuoka prefecture). He was one of the most highly regarded swordsmiths in this area during this period.
Yoshikuni was born in the second year of the Tensho era (1574) in Iwayo village in Oshu province (today’s Fukushima prefecture). Some of his works have an engraving of the years the blades were made. This kind of work started from the 17th year of the Kan-Ei era (1640) to the third year of the Keian era (1650). There was a record of him forging a blade when he was 77 years old (1650). It is believed that during 1640-1650, his son, the second-gen Yoshikuni, often did a Daisaku for him. Daisaku is a regular act where an apprentice or a child of the swordsmith signs his master’s name with his master’s permission or forges a blade on behalf of the master. That means that Yoshikuni highly acknowledged his son’s craftsmanship.
Yoshikuni resided in Iwayo village in Oshu province (today’s Fukushima prefecture) in his early career but was relocated to Yanagawa domain in Chikugo province (today’s Fukuoka prefecture) by being summoned by Tachibana Muneshige (立花宗茂), who was the head of the domain. Tachibana Muneshige was an influential figure in this domain and one of the most famous warlords during the warring state period (Sengoku Jidai). Tachibana Muneshige used to rule the area where Yoshikuni lived, and we presume this is where Muneshige knew Yoshikuni’s reputation.
Yoshikuni is also known for forging very sharp swords, which made him and his work classified as Wazamono Toko (業物刀工). Wazamono is a classification of Japanese swords and swordsmiths used in Japan to identify historic blades of exceptional quality in the book written by Kaiho Kenjaku (懐宝剣尺) in 1797.
Fujishiro Yoshio wrote a book called Token Jiten (Japanese Sword Dictionary). He is one of the most reputable Japanese sword experts in modern times. He categorized swordsmiths into five categories (Saijyo Saku, Jyojyo Saku Jyo Saku, Chu Jyo Saku, Chu Saku) regarding the reputation and skill of swordsmiths during the Shinto era (Early-Mid Edo period). Saijyo Saku is in the highest position. This chart often reflects how prominent a Japanese swordsmith is. Yoshikuni is categorized as a Jo Saku swordsmith.
Tachi Koshirae
This blade is stored in Tachi (太刀) Koshirae. Tachi was mainly used by an armored Samurai with one hand on horseback from the Heian period (794-1185 A.D.) until the early Muromachi period. TACHI was suspended loosely on the left waist with its edge facing the ground so that you could draw it faster to cut down soldiers on the ground. Because of its gorgeous looking, having a Tachi-style sword mounting became a social status among Samurai.
This blade is appraised as a Hozon Touken (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, well preserved and high quality with artistic value.
【Blade】
Cutting Edge Length (Nagasa): 68.7 cm (27.0 inches)
Curvature (Sori): 2.0 cm (0.78 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: Aoi Mon (葵紋, family crest of Tokugawa). It comes from the Aoi (葵, Asarum caulescens) pattern in which each stems branches and has characteristic heart-shaped leaves.
Today, the Aoi-Domoe / Mitsuba-Aoi-no Mon (葵巴/三つ葉葵の紋) is known as the family crest of Tokugawa Shogunate family led by Tokugawa Ieyasu (徳川 家康, 1543-1616), a famous military commander of the Warring States period. This plant pattern has also been used for the crest of the Kamo shrine in Kyoto prefecture. As mentioned above, the famous Shogunate family, the Tokugawa family, had their family crest with three leaves of Aoi due to the relationship with the Kamo shrine. Since its leaves have a habit of always facing the sun, and the word “Aoi” is taken as “Aogu (仰ぐ, looking up)” for the sun, people thought the Aoi pattern would bring good fortune.
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.
The Kabutogane (冑金/兜金) is a metal fitting that is attached to the end of a handle. And a Sarute/Sarude (猿手) is attached to this Kabutogane. The user of a sword passed the Udenukio (腕貫緒, a cord wrapped around the wrist to prevent a sword from falling out of the hand, mainly used when riding a horse) through this ring. In addition, the Fuchi Kanamono (縁金物) is also a metal fitting attached to the handle, but on the opposite side of Kabutogane.
Other metal fittings of this Koshirae have the same design such as Kuchi Kanamono (口金物, a metal fitting that is attached to the tip of the scabbard close to Tsuba), Seme Kanamono (責金物, a ring-shaped metal fitting placed in the middle of the scabbard to prevent the sheath from cracking), Ashi Kanamono (足金物, metal fittings attached to the positions where Sageo cord is wrapped), and Ishiduki Kanamono (石突金物, a metal fitting that is attached to the end of the scabbard). These metal parts are made of silvery metal, and chrysanthemum patterns are designed in the same style.
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 a simplified Tachi Goshirae Tsuba (太刀拵鐔) style. The difference between Tachi Tsuba (太刀鐔) and Katana Tsuba (刀鐔) is that the top and bottom positions of the Nakago hole (茎櫃, center hole) are reversed. The Tsuba of this Koshirae has Aoi (葵) Tsuba shape. If you focus on four corners, you will find a heart mark-shaped hole is engraved on each edge. It is called the Inome (猪の目) pattern. The Inome pattern has been used since ancient times. As its name implies, the boar’s eyes are the origin of this pattern. Some people believed the Inome design would work as an amulet to protect them from evil spirits or fire. Also, it is said it would bring good luck.
Saya: Saya is the scabbard for the Japanese sword.
You could find the same Aoi Mon on this scabbard. The Seme Kanamono (責金物, a metal fitting attached to the middle of the scabbard to protect the scabbard), the Ishiduki Kanamono (石突金物, a metal fitting attached to the end of the scabbard), these metal parts are also decorated with this plant design. The Taikogane (太鼓金) is a circle-shaped metal fitting attached to the middle of the Taikogawa (太鼓革). The Taikogawa is made from leather and has a role in fixing the Tachio (太刀緒, Sageo for the Tachi Koshirae). This Taikogane also has the same crest design.
The Nashiji Nuri (梨子地塗) technique decorates this scabbard. It is a kind of Makie (蒔絵) method. This surface treatment method creates a rough texture by creating fine unevenness on the surface of the metal. They also come in varying degrees of gloss, including glossy, semi-gloss, and matte. According to a theory, it was invented in the Kamakura (鎌倉) period (1185-1333), and in the Edo period, various techniques were devised to color the products.
Authentication Paper: NBTHK Hozon Certificate for the blade (No.3030464) and NBTHK TOKUBETSU KICHOU Certificate for the Koshirae (No. 230)
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 Hozon Touken, the blade worth preserving for Japanese society. Also, they certified the Koshirae on Oct 1st in the 41st year of Shouwa (1966). The purchaser will receive these original certificates as well. We can also translate what is written into English and make a PDF file for your record if you request.
Registration Number: Tokyo 126293
The Board of Education in Tokyo 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.
【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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Thank you for reading all the information on the page. If you have any difficulty choosing the right Japanese sword for you, we will be more than happy to help you find the one that speaks to you the most. Please feel free to contact us.
