{"id":83565,"date":"2026-02-17T22:26:48","date_gmt":"2026-02-17T13:26:48","guid":{"rendered":"https:\/\/www.samuraimuseum.jp\/shop\/?post_type=product&p=83565"},"modified":"2026-02-23T03:29:56","modified_gmt":"2026-02-22T18:29:56","slug":"antique-japanese-sword-katana-signed-by-masahiro-nbthk-tokubetsu-hozon-certificate-4","status":"publish","type":"product","link":"https:\/\/www.samuraimuseum.jp\/shop\/product\/antique-japanese-sword-katana-signed-by-masahiro-nbthk-tokubetsu-hozon-certificate-4\/","title":{"rendered":"Antique Japanese Sword Katana Signed by Masahiro
NBTHK Tokubetsu Hozon<\/strong> <\/span>Certificate"},"content":{"rendered":"

Antique Japanese Sword Katana Signed by Masahiro with Tokubetsu <\/span><\/span>Hozon<\/span> <\/span>Certificate<\/span>\u00a0<\/span><\/strong><\/p>\n

\u3010Description\u3011<\/strong><\/span><\/p>\n

\u00a0This blade was signed by Hizen Koku Kawachi Daijyo Fujiwara Masahiro (\u80a5\u524d\u56fd\u6cb3\u5185\u5927\u63be\u85e4\u539f\u6b63\u5e83).<\/span>
\nHizen Koku, located in Saga prefecture, is the place where Masahiro forged this blade. Kawachi Daijyo is an honorable official title given to a recognized swordsmith. <\/span>
\nFujiwara Masahiro is his maker’s name. This maker’s name lasted a few generations during the early-late Edo period. And we believe this blade was forged by the first generation, who was especially active during the Kanei-Manji era (1624-1661).<\/span><\/p>\n

\u00a0His lineage dates back to the beginning of the Edo period, when Tadayoshi, his grandfather, founded the school.<\/span>
\nTadayoshi is one of the greatest swordsmiths in the early Edo period in Japanese sword history.<\/span><\/p>\n

\u00a0The first-gen Mahiro was also a renowned swordsmith. The first-gen Masahiro started to serve Nabeshima Katsushige when he was 17. Nabeshima Katsushige became the head of Saga Domain in Hizen in 1607.<\/span>
\nThe first-gen Masahiro was selected as Okakae Kaji for the Nabeshima clan, meaning he exclusively forged swords for the feudal family. Nabeshima clan ruled Hizenkoku during the Edo period, which indicates that Masahiro served a powerful feudal lord. It was quite honorable for any swordsmith to be an Okakae Kaji. It is said that Masahiro’s forging technique was so great that he sometimes forged swords on behalf of Tadayoshi.<\/span><\/p>\n

\u00a0Hizenkoku had been flourishing through international trading. The swordsmiths in the Hizen province worked under the auspices of the Nabeshima clan like the first-gen Masahiro. They were able to produce beautiful Jigane-patterned blades, also known as Hizen To, using and mixing carbon steel made in western countries. The geographic location of this domain made it possible to have easy access to western carbon steel.<\/span><\/p>\n

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The first-gen Tadayoshi (His father)<\/span><\/strong><\/p>\n

\u00a0The first-gen Tadayoshi was born and raised in the Saga domain. In 1596, under the domain\u2019s order, he went to Kyoto to learn the sword-forging technique from Umetada Myojyu(\u57cb\u5fe0\u660e\u5bff), one of the greatest swordsmiths in the early Edo period. He improved his craftsmanship and returned to the Saga domain two years later (1598). The first head of the Nabeshima clan, Nabeshima Katsushige, appreciated the work of the first-gen Tadayoshi very much. Then, Katsushige appointed him as his Okakaekaji, a swordsmith who exclusively forged swords for a specific domain or clan. And Tadayoshi started to stay near Saga castle, which is the headquarter of the Nabeshima clan. And, he founded Hizen Tadayoshi school, which trained more than 100 swordsmiths during the Edo period.\u00a0 Masahiro is one of them.<\/span><\/p>\n

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\u00a0This blade 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 with artistic value.<\/span><\/p>\n

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*Please keep in mind that there is a couple of Kitae Kizu on the mune (backbone of the blade). If you like to know the detailed condition, please feel free to contact us.<\/span><\/em><\/p>\n

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\u3010 Blade\u3011<\/span><\/strong>
\nCutting Edge Length(Nagasa)<\/span><\/strong>\uff1a69.3 cm(27.3 inches)<\/strong><\/span>
\nCurvature(Sori)<\/span><\/strong>\uff1a1.5 cm( 0.59 inches)<\/strong><\/span><\/p>\n

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Hamon<\/strong><\/span>\uff1a
\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

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Kissaki<\/strong>\uff1a<\/span><\/span>Kissaki is the tip\u00a0of the Japanese sword.<\/strong><\/span>\u00a0<\/span><\/p>\n

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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

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Koshirae:\u00a0Koshirae 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

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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

\u00a0Jointed stems and long, narrow leaves form a bamboo design, with small clustered tips suggesting fresh shoots. In Japanese and East Asian art, bamboo most often carries two core meanings: resilience and upright character. It bends with wind without breaking and stays green through colder seasons, so it is used to express steady strength and integrity.<\/span><\/p>\n

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Tsuka and Menuki<\/strong><\/span>\uff1aTsuka is the handle of the Japanese sword and Menuki is its decoration.<\/b><\/span><\/p>\n

\u00a0The motif of this Menuki is the peony (\u7261\u4e39, botan). Peony represents happiness, wealth, nobleness, and gorgeousness. This flower pattern has been treated as a kind of good-omen motif; people regarded it as a rich harvest sign. Peony is called \u201cBotan\u201d in Japanese. When we write this flower\u2019s name in Japanese, its second letter means mountain hermit medicine that would give us eternal youth. Based on the meaning of this letter, the peony pattern symbolizes eternal youth and longevity.<\/span>
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\nTsuba 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

\u00a0Flowing vine scrolls spread across the guard in an unbroken rhythm, opening into large peony blossoms. This pattern is known as peony arabesque, a decorative design in which curling stems and leaves suggest continuous growth while the peony provides a rich, focal flower.<\/span><\/p>\n

\u00a0In Japanese decorative arts, this kind of scrolling vine is commonly used to express continuity and flourishing growth, while the peony is often associated with prosperity and cultivated beauty. Put together, peony arabesque is typically read as a wish for enduring prosperity, shown through a design that feels both abundant and elegantly controlled.<\/span><\/p>\n

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Saya<\/strong><\/span>\uff1a Saya is the scabbard for the Japanese sword.\u00a0\u00a0<\/strong><\/span><\/p>\n

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Authentication Paper<\/strong><\/span>\uff1aNBTHK TOKUBETSU Hozon Certificate for the blade (No. 1004783)<\/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 Feb 4th in the 28th year of Heisei (2016). They appraised it as Tokubetsu Hozon Touken, the blade especially worth preserving for Japanese society. The purchaser will receive these original certificates 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

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Registration Number : <\/span>Yamaguchi 16073<\/span><\/strong><\/span><\/p>\n

\u00a0The Board of Education in Yamaguchi prefecture issued a registration paper for this sword . It is called Jyu Token Rui Torokusho(\u9283\u5200\u5263\u985e\u767b\u9332\u8a3c). Bunkacho(The Agency for Cultural Affairs) acknowledges a Japanese sword with this paper as a work of art.
\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

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\u3010About us\u3011<\/span><\/strong>
\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

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\u3010Japanese Sword& Export Process<\/strong>\u3011<\/span>
\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 400 Japanese swords for the past three years (\uff5e2022) to amazing owners who appreciate its historical value. <\/span><\/p>\n

\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.
\n<\/span><\/p>\n

\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>
\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. <\/span>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 <\/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

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* 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>
\n\u00a0We have shipped authentic Japanese swords to the USA, UK, Canada, Mexico, Germany, Switzerland, France, Hong Kong and Australia<\/span><\/a><\/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 either EMS or FedEx(Canada).\u00a0<\/span><\/p>\n

\u00a0We normally ship by EMS<\/strong>(Express Mail Service) provided by Japan Post. When we receive an order from the Canada we will use FedEx<\/strong> instead as EMS temporarily stops shipping from Japan to those countries due to COVID-19.\u00a0<\/span><\/p>\n

\u00a0We will send you a tracking number for your order as soon as we hand it to the post office\/FedEx. 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

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\u3010How to make sure the condition\u3011<\/strong><\/span>
\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

\u3010How To Contact Us\u3011<\/strong>
\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

\u3010The Art of Nihonto(Japanese Sword)<\/strong>\u3011
\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

\u3010A Guide to Japanese Sword Maintenance<\/strong>\u3011<\/span>
\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