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    Market Insight
    6 min read

    The Changing World of Nihontō

    Written by
    Cor Slok
    Published
    August 17 · 2026

    Why transparency, knowledge and trust matter more than ever in the international market for Japanese swords, and why an auction price is not market value.

    The international market for Japanese swords is changing.

    Do you truly understand what you are buying, why you are paying that price, and who is standing behind the sword?

    For generations, Nihontō collecting was a relatively small and specialised world, built around knowledge, personal relationships, trusted dealers, collectors and experts. Today, a collector anywhere in Europe or the world can discover and bid on an important Japanese sword in Japan within seconds.

    This development has created extraordinary opportunities. At the same time, it has created a faster, more international and increasingly price driven market. For the serious collector, this makes knowledge, transparency and trust more important than ever.

    At Kyodai Originals, we believe that purchasing an important Japanese sword should never be based on a famous name, an auction result or a certificate alone. Every sword must be judged on its own merits.

    When an Auction Price Becomes Market Value

    Online auctions have become an important part of the international Nihontō market, and at Kyodai Originals we follow developments in Japan and the international market closely. However, there is a danger in treating every visible auction result as the definitive market value of a sword.

    Two determined bidders can drive an exceptional sword far beyond previous expectations. Once that result becomes visible online, it can quickly become a reference point for other collectors and sellers.

    But what does that auction result actually prove? Primarily, it proves that two or more bidders were prepared to compete at that price for that particular sword, at that particular moment. It does not automatically mean that another sword by the same smith has the same value.

    Every Nihontō is individual. Condition, workmanship, dimensions, period, rarity, provenance, certification and koshirae can create enormous differences between two swords bearing the same smith's name.

    Online bidding also introduces another uncertainty: you rarely know who you are competing against, why they want the sword or how strongly they are determined to acquire it. This does not make online auctions bad or unreliable. Auctions can be excellent places to acquire important swords. It simply means that a visible auction price should never be confused with complete market knowledge.

    You Are Buying the Sword, Not the Paper

    The same principle applies to NBTHK certification. Hozon, Tokubetsu Hozon and Jūyō Tōken papers can be extremely important. They provide attribution and recognition from one of the most respected organisations in the Japanese sword world.

    But NBTHK papers do not transform Japanese swords into standardised products. Two Tokubetsu Hozon katana can differ enormously in both artistic quality and market value. The sugata, jihada, hamon, boshi, nakago, workmanship, condition, dimensions, period, school, rarity and provenance must all be considered. Exceptional and original koshirae can add another significant historical and artistic dimension.

    A famous signature alone is not enough either. Consider Taikei Naotane, one of the great masters of the Shinshintō period. His swords can occupy very different levels depending on workmanship, style, period of production, dimensions, condition, provenance and certification. An extraordinary auction result for one masterpiece by Naotane does not suddenly determine the value of every other Naotane blade.

    At Kyodai Originals, we believe in one fundamental principle:

    You are not buying a certificate. You are not buying a signature. You are buying the sword.

    And the quality of that sword must always come first.

    The Best Swords Are Not Always Found at Auction

    There is another side of the Japanese Nihontō market that is much less visible online. Important Japanese swords still change hands privately between collectors, specialists and established dealers. Not every exceptional sword appears publicly at auction or on a large international website.

    Relationships therefore remain extremely important. Over the years, Kyodai Originals has built relationships and trusted contacts in Japan and within the international Nihontō community. These contacts allow us to look beyond the most obvious public marketplaces when searching for something special.

    Sometimes an important sword becomes available privately. Sometimes we can search specifically for a particular smith, school, period or type of blade on behalf of a collector. And sometimes the correct answer is simply this: wait, because the right sword is not available yet.

    At Kyodai Originals, we would rather wait for an exceptional sword than purchase an average example simply to fill our inventory.

    The New Scarcity Is Access

    As more international collectors and capital enter the Nihontō market, truly important Japanese swords do not necessarily disappear. What becomes more difficult is access.

    • Access to exceptional swords.
    • Access to realistic prices.
    • Access to reliable information.
    • Access to knowledgeable people in Japan.
    • Access to important pieces before they reach the wider international marketplace.

    This may become one of the true forms of scarcity in the modern Nihontō world. For serious collectors, a trusted and knowledgeable dealer can therefore offer something that goes far beyond simply having swords for sale.

    Why Buy From Kyodai Originals

    When purchasing an important Nihontō, we believe you should investigate not only the sword. Investigate the seller as well.

    • Who is standing behind the description?
    • Can the seller explain the attribution and certification?
    • Can he discuss the quality and condition honestly?
    • Can he explain why one sword by a particular smith may be significantly more desirable than another?
    • Is the provenance presented accurately?
    • Will that person still be there after the money has been transferred?

    At Kyodai Originals, our name and reputation remain attached to every sword we sell. We carefully select the Nihontō we offer and aim to present certification, condition, provenance, workmanship and historical significance as clearly and accurately as possible.

    When something is documented, we explain it. When something is an attribution rather than a certainty, that distinction should be made clear. And when something cannot be established with certainty, we believe it is better to say so than to create a more attractive story simply to make a sale.

    Our objective is not to offer the cheapest Japanese sword on the internet. Our objective is to offer the right Japanese sword, at a price that can be explained and defended.

    Quality Before Quantity

    Kyodai Originals has always had a particular appreciation for swords with character, history and significance. That may be an early Kotō blade, a high level NBTHK certified Nihontō, an important work by a renowned smith, an exceptional Gendaitō, a sword with remarkable provenance or a complete piece accompanied by historically significant original koshirae.

    A collection should not simply become larger. It should become better. For that reason, we believe quality should always come before quantity. One exceptional sword that can be studied and appreciated for years can ultimately be far more rewarding than several average swords purchased simply because they were available.

    Transparency Before the Sale. Trust After It.

    Exceptional Nihontō can command serious prices, and rightly so. Quality has value. Rarity has value. Condition has value. Provenance has value. Certification has value. History has value. And genuine expertise has value.

    But a serious collector deserves to understand why. That is an important part of the philosophy behind Kyodai Originals:

    Authenticity before marketing. Quality before quantity. Knowledge before speculation. Transparency before the sale. Trust long after it.

    Whether you are searching for a high level NBTHK certified Nihontō, an important Kotō or Shinshintō blade, a particular swordsmith, an exceptional Gendaitō, original historical koshirae or simply something special enough to become the centrepiece of a collection, Kyodai Originals can assist in searching for exceptional pieces through our network and trusted contacts.

    We cannot promise that the right sword will appear tomorrow. Sometimes finding the right sword requires patience. And we would rather advise a collector to wait than recommend a sword we do not truly believe in.

    Because a serious Nihontō collection is not built by winning the most auctions or owning the greatest number of swords. It is built by making the right decisions, acquiring the right swords, and knowing who you can trust.

    Gassan Sadakatsu (1869 to 1943). Generations of Japanese swordsmiths built their reputation on knowledge and trust rather than on marketing.
    Gassan Sadakazu (1836 to 1918). His work is judged on its own merits, sword by sword, exactly as it should be today.