Antique Japanese Sword Katana Attributed to Ukai with <\/span>Tokubetsu Hozon<\/span> <\/span>Certificate<\/span>\u00a0<\/span><\/strong><\/p>\n \u3010Description\u3011<\/strong><\/span><\/p>\n \u00a0This blade is attributed to the Ukai school (\u5b87\u7518\u6d3e). The Ukai school was a group of swordsmiths active in Bizen province (today’s Okayama Prefecture) from the late Kamakura to the Nanbokuch\u014d period. The school is also known as Unrui (\u96f2\u985e). The name Ukai comes from Ukai village in Bizen province, where the smiths lived. Among the most notable swordsmiths of this school were Unji (\u96f2\u6b21) and his son Unju (\u96f2\u91cd). It was a relatively small school that was active for just over one hundred years, from the late Kamakura to the Nanbokuch\u014d period. However, more than ten of its blades have been designated as Important Cultural Properties in Japan.<\/span><\/p>\n The origin of Unrui school<\/strong><\/span><\/p>\n \u00a0The founder of Unrui school was Unsho (\u96f2\u751f). According to a legendary story, Unsho was ordered to forge a Tachi blade for the emperor Godaigo (\u5f8c\u918d\u9190\u5929\u7687), one of the most famous emperors in Japanese history. And, Unsho was having difficulty forging a blade that satisfied him. However, one night he dreamed about floating clouds. And he got an idea from these clouds in his dream to make Hamon, and he successfully created the blade for the emperor.\u00a0<\/span><\/p>\n \u00a0He devoted this Tachi blade to the emperor Godaigo, and the emperor was impressed by the level of Unsho\u2019s craftsmanship, saying, \u201cThe activity of Hamon looks like real clouds.\u201d And the emperor Godaigo ordered Unsho to use the letter \u96f2(Un or Kumo: Clouds in Japanese). Since then, the school was named Unrui (\u96f2\u985e). All the members of the Unrui school used Un(\u96f2) in their maker\u2019s names. Unsho was active during Kengen era (1302-: Late Kamakura period). And the father of Unjyu, Unji, was the son of Unsho. Unrui school is also known as Ukai (\u5b87\u7518) because they lived in the village in Bizen province.<\/span><\/p>\n \u00a0It is said that the works of Unrui school resemble that of Rai school in Yamashiro province, Aoe school in Bitchu province, or Yamato Den, depending on the blades. One theory says that the members of Unrui school moved from Yamashiro (Today\u2019s Kyoto) to Bizen province during the late Kamakura period. Compared to other swordsmiths living in Bizen province, Unrui school was influenced by Yamashiro DEN (One of the five traditions of the Japanese sword-forging).\u00a0<\/span><\/p>\n <\/p>\n Tachi Koshirae\u00a0<\/strong><\/p>\n This blade is stored in Tachi(\u592a\u5200) 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.<\/p>\n <\/p>\n \u00a0It is appraised as a Tokubetsu Hozon Token <\/strong>(\u7279\u5225\u4fdd\u5b58\u5200\u5263) issued by NBTHK (Nihon Bijutsu Touken Hozon Kyokai:\u65e5\u672c\u7f8e\u8853\u5200\u5263\u4fdd\u5b58\u5354\u4f1a). This authentication paper was only given to authentic Japanese swords, especially well preserved and high quality with artistic value.<\/span><\/p>\n <\/p>\n *Please keep in mind that there are a couple of Kitae Kizu on the blade. If you like to know the detailed condition, please feel free to contact us.<\/span><\/em><\/span><\/p>\n <\/p>\n \u3010Blade\u3011<\/span><\/strong> <\/p>\n Hamon<\/strong><\/span>\uff1a Kissaki<\/strong>\uff1a<\/span><\/span>Kissaki is the tip\u00a0of the Japanese sword.<\/strong><\/span>\u00a0<\/span><\/p>\n <\/p>\n Nakago<\/strong><\/span>\uff1aNakago is the tang of the Japanese sword. <\/strong><\/span><\/p>\n \u00a0Japanese 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.<\/span><\/p>\n <\/p>\n Koshirae\uff1aKoshirae is the mounting of the Japanese sword. There are several parts that consist of Koshirae such as Saya (Scabbard), Tsuka (Handle), Tsuba (Handguard).<\/span><\/strong><\/span><\/p>\n \u00a0<\/span> <\/p>\n Fuchi-Kashira<\/strong><\/span>\uff1aA pair of matching sword fittings that cover the upper and bottom parts of its sword hilt.<\/span><\/strong><\/p>\n \u00a0The Kabutogane (\u5191\u91d1\/\u515c\u91d1) is a metal fitting that is attached to the end of a handle. And a Sarute\/Sarude (\u733f\u624b) is attached to this Kabutogane. The user of a sword passed the Udenukio (\u8155\u8cab\u7dd2, 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 (\u7e01\u91d1\u7269) is also a metal fitting attached to the handle, but on the opposite side of Kabutogane.<\/span><\/p>\n \u00a0Other metal fittings of this Koshirae have the same design such as Kuchi Kanamono (\u53e3\u91d1\u7269, a metal fitting that is attached to the tip of the scabbard close to Tsuba), Seme Kanamono (\u8cac\u91d1\u7269, a ring-shaped metal fitting placed in the middle of the scabbard to prevent the sheath from cracking), Ashi Kanamono (\u8db3\u91d1\u7269, metal fittings attached to the positions where Sageo cord is wrapped), and Ishiduki Kanamono (\u77f3\u7a81\u91d1\u7269, a metal fitting that is attached to the end of the scabbard).\u00a0<\/span><\/p>\n \u00a0<\/span> \u00a0Dragon (\u9f8d, Ryu) is the motif of this Menuki. Initially, the dragon is an imaginary creature found in ancient Chinese traditions or 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, belly is Mizuchi (\u86df, mythical animal in Japan which looks like a snake and have 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.<\/span><\/p>\n \u00a0In ancient China, the dragon pattern was used for emperors\u2019 clothing so that people strictly defined its shape or even the number of nails. On the other hand, the dragon pattern does not have detailed rules to represent classes in Japan. However, still, it maintains its meaning as the all-purpose auspicious pattern.<\/span><\/p>\n \u00a0Also, in Japan, there is a belief that worships dragon as a water god and is called Ryujin Shinkou (\u7adc\u795e\u4fe1\u4ef0). Since rice cultivation flourished in this country, water is always an essential resource. Therefore, the dragon motif has been familiar to Japanese people since a long time ago.\u00a0<\/span><\/p>\n \u00a0<\/span> <\/p>\n Tsuba and Habaki<\/strong><\/span>\uff1aTsuba 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.\u00a0<\/span><\/strong><\/p>\n \u00a0This Tsuba has a Tachi Goshirae Tsuba (\u592a\u5200\u62f5\u9414) style. The difference between Tachi Tsuba (\u592a\u5200\u9414) and Katana Tsuba (\u5200\u9414) is that the top and bottom positions of the Nakago hole (\u830e\u6ac3, center hole) are reversed. The Tsuba of this Koshirae has Aoi (\u8475) 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 (\u732a\u306e\u76ee) pattern. The Inome pattern has been used since ancient times. As its name implies, the boar\u2019s 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.<\/span><\/p>\n Saya<\/strong><\/span>\uff1a Saya is the scabbard for the Japanese sword.\u00a0\u00a0<\/strong><\/span><\/p>\n \u00a0This Saya has a family crest called Gosan-no-Kiri (\u4e94\u4e09\u306e\u6850). The Kiri (\u6850, paulownia) pattern is generally composed of three standing straight inflorescences and three leaves. The number of flowers that are blooming at each inflorescence means the ranks of this design. It is also famous that one of the most popular Samurais in Japan: Toyotomi Hideyoshi used the Kiri pattern for his family crest. According to a theory, Hideyoshi used Omodaka (\u6ca2\u7009, arrowhead) pattern as his family crest. However, Oda Nobunaga, a well-known military commander in the Warring States period, permitted Hideyoshi to use Kiri design. This plant pattern was once used by the imperial family and national leaders of the time. Today, this plant pattern is used as the crest of the Japanese Government.<\/span><\/p>\n \u00a0Gosan-no-Kiri Monyou (\u4e94\u4e09\u306e\u6850\u6587\u69d8) is a popular design that the paulownia motif is used. This pattern was once used by the imperial family and people in authority at that time. Today, it is permitted to use by ordinary households and is appreciated as their family crests. According to a tradition, Houou (\u9cf3\u51f0, Fenghuang, a kind of sacred beast) rests its wings at the paulownia tree; therefore, it has come to be regarded as a holy plant.\u00a0<\/span><\/p>\n \u00a0<\/span> Authentication Paper<\/strong><\/span>\uff1aNBTHK TOKUBETSU Hozon Certificate for the blade (No. 1024344)<\/strong><\/span><\/p>\n \u00a0\u00a0NBTHK<\/a><\/span><\/span>, 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 February 21st in the 7th year of Reiwa (2025). They appraised it as Tokubetsu Hozon Touken, the blade especially worth preserving for Japanese society. The purchaser will receive this original certificate as well. We can also translate what is written into English and make a PDF file<\/span><\/a><\/span> for your record if you request.<\/span><\/p>\n Registration Number : Tokyo<\/span><\/span> 160732<\/span><\/span><\/strong><\/p>\n \u00a0The Board of Education in Tokyo\u00a0 issued a registration paper for this sword. It is called Jyu Hou Token Rui Torokusho (\u9283\u7832\u5200\u5263\u985e\u767b\u9332\u8a3c). Bunkacho (The Agency for Cultural Affairs) acknowledges a Japanese sword with this paper as a work of art. <\/p>\n —————————————————————–<\/p>\n \u3010About us\u3011<\/span><\/strong> \u3010Japanese Sword& Export Process<\/strong>\u3011<\/span> \u00a0Each 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. \u00a0To 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<\/strong> to receive this permit after submitting required documents. And we would like you to expect at least 1-1.5 months<\/strong> for your order to arrive at your given address after you ordered. For more detailed info, please click here<\/span><\/span><\/a>.<\/span><\/p>\n \u00a0It is allo<\/span>wed 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.<\/p>\n \u3010Payment Method\u3011<\/strong> * If the amount is above 1 million JPY, Stripe or wire transfer will be the only options for payment.<\/p>\n \u3010Shipping\u3011<\/strong><\/span> \u00a0We normally ship by EMS<\/strong>(Express Mail Service) provided by Japan Post. <\/span>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.<\/span><\/p>\n \u00a0It 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.<\/span><\/p>\n * If you live in Australia and like to purchase an authentic Japanese sword, please click here<\/span><\/span> <\/a>to know the detail.<\/strong><\/p>\n * If you live in the UK and like to purchase an authentic Japanese sword, please contact us first and click here<\/span><\/span> <\/a>to know the detail.<\/strong><\/p>\n \u3010Review\u3011<\/strong> \u3010How to make sure the condition\u3011<\/strong><\/span> \u3010How To Contact Us\u3011<\/strong> \u3010The Art of Nihonto (Japanese Sword)<\/strong>\u3011 \u3010A Guide to Japanese Sword Maintenance<\/strong>\u3011<\/span>![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2021\/09\/bizen_gokaden_0927.jpg\")
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\nCutting Edge Length(Nagasa)<\/span><\/strong>\uff1a66.3 cm (26.1 inches)<\/strong><\/span>
\n<\/strong><\/span>Curvature(Sori)<\/span><\/strong>\uff1a2.3 cm (0.90 inches)<\/strong><\/span><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2025\/10\/393e78a52df19dc9960a26d5dae44698-10-scaled.jpg\")
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\nThe crystalline structure which forms along the cutting edge of a blade as a result of the hardening process<\/strong>
\nJimon(Jihada)<\/span><\/strong>\uff1a
\nvisible steel surface pattern created by folding and hammering during forging process<\/strong><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2025\/10\/e4115684b98b182ed14efaae360d87dc-10.jpg\")
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\nTsuka and Menuki<\/strong><\/span>\uff1aTsuka is the handle of the Japanese sword and Menuki is its decoration.<\/b><\/span><\/p>\n
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\nThe 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.
\nThis 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.<\/span><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2025\/10\/4e7d45c31a5ad1489d4d278276eb356a-9-scaled.jpg\")
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\n\u00a0Samurai 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. <\/span><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2020\/07\/5623eabfdde4147c0ecdc704028c6ecd.jpg\")
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\n\u00a0The Japanese swords we deal with are hand-forged edged swords made in Japan. It was made from the traditional carbon steel called TAMAHAGANE(\u7389\u92fc)<\/span><\/a>. 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 (\uff5e2025) to amazing owners who appreciate its historical value.<\/span><\/p>\n
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\nWe accept payment through Stripe <\/strong>(Credit card), PayPal<\/strong>, 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 <\/strong>or GBP<\/strong>. The price is set in Japanese Yen. Prices in other currencies are automatically calculated based on the latest exchange rate.\u00a0<\/span><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2020\/12\/SSL_payment_1222-01-1.jpg\")
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\n\u00a0We have shipped authentic Japanese swords to the USA, Canada, Mexico, Germany , Belgium, France, Finland, Hong Kong, Australia<\/a><\/span><\/strong><\/span>. 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<\/strong><\/span> as long as we can send antique Japanese swords by EMS.\u00a0<\/span><\/p>\n![\"\"](\"https:\/\/www.samuraimuseum.jp\/shop\/wp-content\/uploads\/2020\/10\/48026a8af882b8fafae180fa48fbd5f4.jpg\")
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\n\u00a0Here is o<\/span>ne of the reviews we received from a customer who purchased an authentic Japanese sword from us. For more reviews, please click here.<\/span><\/strong><\/span><\/a>
\n\u201cMy 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.\u201d<\/span><\/p>\n
\n\u00a0Please 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.<\/span> 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.<\/span><\/p>\n
\n\u00a0Please 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 w<\/span>ebsite. Please click one of them to reach us. We will reply to you within 1-2 business days.<\/p>\n
\n\u00a0Samurai’s history is a profound, eloquent legacy of ancient Japanese warriors in which millions of people worldwide are being fascinated. If y<\/span>ou like to find out the art of Nihonto, please click here.<\/span><\/a><\/p>\n
\n\u00a0After 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.<\/span><\/p>\n