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Updated: 21 Jul 2024


Antique Japanese Sword Daisho Signed by Mihara Masachika/Attributed to Matsu Mihara NBTHK Tokubetsu Hozon Certificate and Hozon Certificate


DELIVERY TIME : Approx. 1-1.5 months
*There might be delay in shipment depending on countries

USA, UK, Canada, Mexico, Germany , Hong Kong, France, Australia
*Please contact us prior to purchase if your country isn’t listed.

INCLUDED : NBTHK Tokubetsu Hozon Certificate for Katana, Hozon Certificate for Wakizashi , Shirasaya Case×2, Koshirae Mounting×2, Traditional Sword Carrying Case×2, Sword Maintenance Kit, Full Exportation Support

Category Katana& Wakizashi ( Koto)
Age The end of the Muromachi period
Swordsmith Bishu Mihara Jyu Masachika (備州三原住正近) /
Attributed to Matsu-Mihara (末三原: Unsigned)
Certificate NBTHK Tokubetsu Hozon Certificate/ Hozon Certificate 
Location Bingo Province (Today’s Hiroshima prefecture)
Blade Size Cutting Edge Length: 63.6 cm ( 25.0 inches)
Curvature: 1.6 cm (0.63 inches)

Cutting Edge Length: 49.9 cm ( 19.6 inches)
Curvature: 1.2 cm (  0.47 inches)

Thank you for visiting our website. This sword was sold as each antique Japanese sword is one of a kind. However, we might be able to show you something similar because we have various types of swords available. Also, there are ones that aren’t listed on the website yet. Our customer service will help you find your ideal blade you will cherish for generations. Please feel free to contact us or check the list of swords. We will be more than happy to help you.


Antique Japanese Sword Daisho Mihara Masachika/Attributed to Matsu Mihara with NBTHK Tokubetsu Hozon Certificate & Hozon Certificate


Katana& Wakizashi

 This Katana blade was signed by Bishu Mihara Jyu Masanori (備州三原住正近) , who was acitve during the end of the Muromachi period (early-mid 16th century). He belonged to Mihara school, one of the most prestigious schools during the late Muromachi period. Bishu(備州)is a larger area in today’s Okayama&Hiroshima prefecture. Bishu consists of Bizen(備前), Bitchu(備中) and Bingo (備後).  Mihara school was located in Bingo province (today’s Hioshima prefecture). 

 According to one theory, Mihara school was founded by Kokubunji Sukekuni  in the late Kamakura period.
Mihara school is divided into three categories depending on the period. When the blade is older than the Nanbokucho era (the 1300s), it is called Ko-Mihara (Old Mihara). And it is called Mihara for those forged in the early-Mid Muromachi period. Finally, Matsu-Mihara(End Mihara) is used for the late Muromachi period. Masachika is categorized as Matsu-Mihara. And the Wakizashi is attributed to Matsu-Mihara. That means these two blades were approximately forged in the same period, according to NBTHK’s appraisal. 

 In Bingo province, many lands were owned by politically powerful temples of the Yamato region (today’s Nara prefecture) from ancient times. And it is said that the swordsmiths in the Yamato region strongly influenced how swords were forged in the Bingo province. The blades forged by the Mihara school had distinctive characteristics of Yamato DEN, one of the five Japanese sword traditions (Gokaden). The swordsmiths in the Bishu area, including Mihara school, produced many swords during the Muromachi period as it was in the middle of the Sengoku period(Warring state period). The demand for weapons increased among strong feudal lords.

 Bingo is located near the Chugoku Mountains, where iron sands, one of the essential materials for making Japanese swords, were abundant. This geological location contributed to the Mihara swordsmiths forging high-quality refined blades. We presume Bingo was quite active in sword-forging from ancient times. The swords forged in Yamato DEN tradition are famous for their beautiful Jigane, steel surface, and straight tempering line(Suguha). This blade has a beautiful Jigane with a Suguha tempering line, which shows an outstanding characteristic of the Yamato DEN sword.


What is Daisho?

 Daisho is a pair of two Japanese swords Samurai carried. During the Edo period, having Daisho in public places was considered social status for Samurai. Furthermore, Samurai were required to wear them under the law back then. Daisho is written as 大=Big and 小=Small. Dai part means Katana, and Sho part means Wakizashi. We are confident you would like this pair of Daisho Koshirae. And based on the style of the sword mounting, they are categorized as HANDACHI KOSHIRAE (Half Tachi style Sword mountings), which has more ornamental looking than standard Katana style Koshirae. 

 These blades were registered in Hiroshima and the registration numbers are consective. This indicates that the previous owner might have been descendants of Samurai who carried this Daisho for many years. 



 This Katana blade is appraised as a Tokubetsu Hozon Token(特別保存刀剣) and this Wakizashi is appraised as a Hozon Token (保存刀剣). They were issued by NBTHK(Nihon Bijutsu Touken Hozon Kyokai:日本美術刀剣保存協会). These authentication papers were only given to authentic Japanese swords well preserved and high quality with artistic value.


*Please keep in mind that there are is a couple of tiny Kitae Kizu on the Katana and Wakizashi. If you like to see the detailed condition, please feel free to contact us.

【 Blade】

Cutting Edge Length(Nagasa)63.6 cm ( 25.0 inches)
Curvature(Sori)1.6 cm (0.63 inches)

Cutting Edge Length(Nagasa) 49.9 cm ( 19.6 inches)
Curvature(Sori)1.2 cm (  0.47 inches)


The crystalline structure which forms along the cutting edge of a blade as a result of the hardening process
visible steel surface pattern created by folding and hammering during forging process



NakagoNakago 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(Sabbard), Tsuka( Handle), Tsuba(Handguard).

Fuchi-KashiraA pair of matching sword fittings that cover the upper and bottom parts of its sword hilt.

 The sword mountings of this Daisho Koshirae have the same designs. These Fuchi Kashiras are relatively simple compared to other parts. However, you could enjoy the texture and color of the material directly. In addition, there are minor dents and scratches on their surface. These are the traces of their long history, so we hope you will enjoy them as antique textures.


Tsuka and MenukiTsuka is the handle of the Japanese sword and Menuki is its decoration.

 Dragons are the motifs of these Menukis. The dragons show powerful movements and facial expressions by twisting their elongated bodies. Golden paint is applied to each dragon, and this coloring adds decorativeness to this work. Initially, a dragon was an imaginary creature found in ancient foreign traditions or myths. Furthermore, it is regarded as a symbol 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.

 If you focus on dragons’ hands, you will find that some dragons bring a ball-shaped object in their hand. It is the Nyoi Houju (如意宝珠, Cintāmaṇi), a fantasy jewel that fulfills any desire and gives out treasure, clothes, food, and drinks. Moreover, it heals illness and suffering, removes evils, purifies muddy water, and prevents disasters. It is said this magical item is taken from the brain of the dragon king.


Tsuba and HabakiTsuba 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. 

 We believe the designs of these Tsubas are related to the dragon motif. These Tsubas have indeterminate shapes that use curved lines, and opinions will differ depending on the viewer as to what the origin is. Here, we would like to propose our view just as a possibility.

 Firstly, it might be a dragon figure in an abstract design. If we focus on the part to which the golden sphere is attached represents the expression of a dragon, the part that seems to be a beard or mane represents the head, and the remaining part represents a long, slender dragon body.

 Another opinion is that this Tsuba expresses the movement of waves. In Japan, there is a belief that worships dragons as water gods. Since rice cultivation flourished in this country, water is always an essential resource. Therefore, the dragon motif has been familiar to Japanese people since long ago.


Saya Saya is the scabbard for the Japanese sword.  

KozukaKozuka is a small knife stored in Kozuka Hitsu (groove of the sheath of the Japanese sword).

 A Kogatana (小刀, small knife) is stored in the Kozuka. We believe a mountain designed on this Kozuka is Mt. Fuji. The Japanese name of Mt. Fuji is written as 富士山 (Fuji-San). It could be said that Mt. Fuji is a symbolic existence that represents the landscape of Japan. Its motif has also been appreciated as an auspicious design since ancient times. A theory says that its Japanese name 富士 was associated with 不死 (pronounced as Fushi, and means immortality); therefore, some people thought the Mt. Fuji design represents longevity. In another theory, it was also compared to another Japanese word, 無事 (pronounced as Buji, and means safe). In this idea, people used this motif to pray for good health and the family’s safety. Samurai warriors risked their lives on battlefields. This design might have been adopted to pray for the protection of those warriors. A full moon is also drawn next to Mt. Fuji, which makes it even more auspicious.


Authentication PaperNBTHK Tokubetsu Hozon Certificate for the Katana  & Hozon Certificate Wakizashi blade

 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 these two blades this March in the 5th year of  Reiwa(2023). They appraised Katana as a Tokubetsu Hozon Touken and Wakizashi as a Hozon Token, the blade worth preserving for Japanese society. We are expecting to receve these papers by early September. 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 : Hiroshima53625-53626

The Board of Education in Hiroshima  prefecture issued a registration paper for this Katana and Wakizashi blade . 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 500 Japanese swords for the past three years (~2023) 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.

 We have shipped authentic Japanese swords to the USA, UK, Canada, Mexico, Germany, France, Hong Kong and 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.

*Please keep in mind that due to the spread of COVID-19, there might be delays in shipping. If you like to know the detail about shipping, please feel free to ask us.

 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.







 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.


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    Thank you for visiting our website. This sword was sold as each antique Japanese sword is one of a kind. However, we might be able to show you something similar because we have various types of swords available. Also, there are ones that aren’t listed on the website yet. Our customer service will help you find your ideal blade you will cherish for generations. Please feel free to contact us or check the list of swords. We will be more than happy to help you.