Antique Japanese Sword Wakizashi Attributed to Sadayuki with NTHK Kanteisho Certificate
【Description】
This blade is attributed to Takada Sadayuki (高田貞行), who belonged to a prestigious school named Takada (高田). He was active during Tenwa period (1681-1684: early Edo period).
Takada school was founded by Takada Tomoyuki in Takada village, Bungo domain (today’s Oita prefecture), during the Nanbokucho period (1334-1338 A.D). Takada Tomoyuki went to Bizen province (today’s Okayama prefecture) to master the sword-forging techniques of BIZEN and returned to the village and trained his apprentices. That is how Takada school started.
Those who forged swords in Takada village before the Edo period were called Taira Takada and Fujiwara Takada during the Edo period. This blade is categorized as a Fujiwara Takada.
During Sengoku Period (the warring state period: from late 15 C to late 16 C), the Takada school forged many swords for feudal lords in Kyushu island. It is said that the reputation of the blades forged by Takada school was close to MINO or BIZEN swords, two of which are the most famous sword forging places.
The Bungo domain was ruled by Otomo Yoshishige (Sorin) during the Sengoku period. Yoshishige and his domain built a strong military and political base there. Yoshishige was known as one of the most famous warlords on Kyushu island. It is said that Takada swordsmiths forged swords for those who served the Otomo clan. And, it is said that Munekage served Otomo Ysohimune, the first son of Otomo Yoshikage.
Generally speaking, Kyushu island was prosperous in sword-making because of the long history of trading with Asian countries. To gain an advantage in trading, many feudal lords on this island fought against each other. Takada school was able to receive many orders as the demand increased among those lords.
The material of Japanese swords (high-quality iron sand and charcoal) was abundant in mount Sobo Katamuki, located near Takada village. We believe Takada school prospered because of its geographic location and natural resources.
*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)： 43.1 cm (16.97 inches)
Curvature(Sori)：1.1 cm (0.43 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).
Fuchi-Kashira：A pair of matching sword fittings that cover the upper and bottom parts of its sword hilt.
The motif of the Fuchi-Kashira is chrysanthemum (菊, Kiku). A long time ago, the chrysanthemum was used as a medicine to obtain a long life in China, and it was brought to Japan with this thought in the Nara period (648-781). The chrysanthemum is one of the flowers that symbolize fall, and people have appreciated it very much since ancient times. As its petals form radially, the chrysanthemum has been likened to the sun. That is why this flower pattern is treated as the symbol of perpetual youth and longevity or good health. “Kiku no Gomon (菊の御紋)” is a kind of chrysanthemum pattern, and it has been used as the crest of the Emperor and the royal family in Japan, so it is well-known as a noble pattern.
From the Kamakura (1185-1333) period to the Warring States period (1467-1615), the chrysanthemum crest was given as a reward from the Emperor back then to the warlords who made significant contributions. For example, Ashikaga Takauji (1305-1358), who became the first Shogun of the Muromachi Shogunate, cooperated with Emperor Go-Daigo (後醍醐天皇, 1288-1339) to dissolve the Kamakura Shogunate. And Takauji was given a chrysanthemum crest.
In addition, Toyotomi Hideyoshi (1537-1598) was also given a chrysanthemum crest by Emperor Goyouzei. A theory says Hideyoshi was delighted and used this motif for furniture. At that time, the Emperor was regarded as God. Therefore, it was an irreplaceable honor for Samurais to receive the family crest from the Emperor. This is how the chrysanthemum pattern has a deep connection with Samurai culture.
There is a popular design that is called Kikusui Mon (菊水紋). It depicts chrysanthemum flowers floating in running water. Since a long time ago, the Kikusui Mon has been known as a design that represents longevity based on a Chinese legend. It says we could extend our lifespan by drinking water flowing from the chrysanthemum colony. Therefore, people treated this design as a kind of good luck motif. It is said this pattern started to be used in the Kamakura period (1185-1333). Some families used it for their family crests. Kusunoki Masashige (楠木 正成, 1294?-1336) is one of them. He contributed to the defeat of the Kamakura Shogunate and was given the chrysanthemum flower crest by Emperor Go-Daigo in recognition of his remarkable achievements. However, Masashige chose to use the Kikusui Mon, the water flowing in the lower half of the chrysanthemum flower. According to a theory, it was because he thought it was too presumptuous to have the same crest as the Emperor. This is how the chrysanthemum pattern has a deep connection with Samurai culture.
Tsuka and Menuki：Tsuka is the handle of the Japanese sword and Menuki is its decoration.
The theme of the Menuki is butterfly (蝶, Cho). People preferred the butterfly pattern due to its growth process, beauty, and auspiciousness among the various animal patterns. A larva becomes a chrysalis, and it grows up into a butterfly. Since this insect changes its looks, it symbolizes being reborn; therefore, Samurai loved this design. In this way, butterflies are seen as symbols of human life, death, and resurrection and are said to house the souls of the dead. It is said that the butterfly pattern has been used since the Heian period (794-1185). This design was brought from the continent to Japan, and people introduced it in various fields. As proof of this, butterflies have also appeared in stories, such as the Heike-Monogatari (平家物語, The Tale of the Heike). This insect design gradually began to be used as a family crest, and it spread nationwide by being used by the Taira (平) clan. Taira-no Kiyomori (平 清盛, 1118-1181), who was the leader of the Taira family, used the Agehachou (揚羽蝶, swallowtail) crest. That is, it was treated as a symbolic design of the Heike (平家). According to a theory, about 300 Samurai used this motif for their family crests in the Edo period. It tells us the deep relationship between butterfly patterns and Samurai culture.
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.
Saya：Saya is the scabbard for the Japanese sword.
*Please keep in mind that there are a few noticeable damages on this Saya due to its age.
Authentication Paper: NTHK Kanteisho Certificate for the blade (No. 13004)
NTHK, also known as NPO Nihon Touken Hozon Kai, is the oldest organization for sword authentication of Japanese swords in modern times. It was established in 1889 during the post-Samurai era. They authenticated the blade on January 19th in the 7th year of Reiwa (2025). 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 : Hiroshima 32292
The Board of Education in Hiroshima 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 1000 Japanese swords for the past few years (～2025) 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】
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【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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