Tsuba as Investment: Long-Term Value, Market Dynamics, and Exit Strategies

Can Tsuba Become Investment Assets?

First, as a prerequisite, one should be cautious about treating tsuba purely as financial products. Unlike stocks or bonds, they have low liquidity, it is difficult to determine fair prices without specialized knowledge, and costs for storage and insurance are ongoing. Cases requiring several years to liquidate are not uncommon, and they are not suited for short-term fund management.

However, tsuba that meet certain conditions have maintained their value over the long term and have actually appreciated significantly in some cases. The key is a perspective that naturally balances "aesthetic enjoyment as a collector" with "value as an asset." By selecting works that can be enjoyed purely for appreciation while meeting objective value criteria such as the presence or absence of an NBTHK certificate, attribution to a renowned lineage, and preservation condition, one can achieve both aesthetic and asset value without contradiction.

Past Price Trends — Which Tsuba Have Appreciated?

Looking back at domestic and international markets over the past several decades, significant value appreciation has been confirmed in several categories.

• NBTHK Important Sword Fittings and Specially Important Sword Fittings: Tsuba that have passed the highest-ranking examination have shown multiple cases of price increases of several times over 20–30 year periods, backed by rarity and authority. When designated as an Important Sword Fitting, it is upgraded to "Important Sword Fitting" status at international auctions, making it easier to attract bids from overseas buyers.
• Iron Tsuba from the Old Sword Period (Heian, Kamakura, Nanboku-chō, and Muromachi): The number of extant examples is extremely limited, and new discoveries are rare. Because demand continues while supply does not increase, they have high long-term scarcity value. In particular, unsigned tsuba from early master swordsmiths that possess authentic old-style iron character and forging are continuing to receive strong support from both scholars and collectors.
• Tsuba Attached to Mounted Swords by Renowned Sword Makers (Tsuki-tsuba): Tsuki-tsuba transmitted together with the blade itself hold high value as part of the provenance documentation of the sword, and because they are rarely separated from the blade, their market circulation itself is limited. Such attached tsuba often command higher prices than tsuba by the same maker sold separately.
• Subject Matter Popular in International Markets: Edo period metal-worker tsuba bearing motifs such as dragons, tigers, and warrior scenes—themes favored by overseas collectors—attract intense competitive bidding at international auctions. Works by highly renowned artisans such as the Gotō family and Yokoya Sōmin in particular enjoy stable demand from wealthy collectors in Europe, America, and Asia, with particularly strong price realization during yen-weak periods.
• Revaluation of Unsigned Works: In recent years, with advances in research, there have been increasing cases of tsuba formerly valued low as "unsigned" being reattributed to specific workshops or regional styles. There are cases where academic revaluation has significantly pushed prices higher, and attentiveness to research trends can lead to effective investment decisions.

Three Conditions for Maintaining Value

• Condition 1: Securing an NBTHK Certificate — If you have not had an NBTHK examination after purchase, you should consider submitting it for examination. Passing examination provides objective value certification and is extremely advantageous at the time of future sale. In particular, each rank of "Specially Valuable Sword Fitting," "Important Sword Fitting," and "Specially Important Sword Fitting" is referenced as an evaluation standard even by international auction houses. However, this decision should be made after considering examination fees and the risk of non-passing.
• Condition 2: Establishing Proper Storage Environment — The causes of tsuba deterioration are primarily three: humidity, sudden temperature changes, and physical impact. An ideal environment maintains stable humidity of 50–60% and temperature of 15–25°C, which is the basic condition for preventing rust, verdigris, and lacquer flaking. Storage in individual paulownia boxes or cloth pouches is standard practice, and stacking multiple tsuba directly is strictly prohibited. For long-term storage, periodic condition checks and professional maintenance as needed are essential. For high-value items, insurance should be budgeted as an essential cost.
• Condition 3: Documentation of Provenance — Recording the source of purchase, purchase date, and purchase price; preserving any accompanying certificates, box inscriptions, and authentication documents; and collecting records of past exhibition histories and publication references serve as important evidence substantiating value at the time of future sale. Provenance from renowned collections provides clear added value at auction. Detailed digital photographic documentation (signature, openwork, metal quality, overall and detail shots) also proves valuable for future authentication and sale negotiations.

Sales Strategy — Methods for Selling at the Highest Price

The choice of sales method makes a significant difference in the realized price. The main options are organized by situation below.

• Selling to a Specialist Dealer: This is quick, but considering the dealer's acquisition margin, the actual buyback price is typically 50–70% of market price. This is effective when cash flow is urgent or when you are unsure about assessing market value. Obtaining quotes from multiple dealers is essential, and requesting explanations for appraisals helps develop market sense.
• Consignment to Domestic or International Auction: This takes time, but if appropriate bidders gather, it may be possible to realize a price close to the market peak. Consigning to international auction houses such as Christie's or Bonhams broadens reach to overseas collectors and is particularly advantageous during periods of yen weakness. Even after deducting buyer's premiums (15–25%), returns often exceed those from selling to specialist dealers.
• Direct Transaction Through Industry Networks: Direct transactions through networks of NBTHK members or sword dealers can sometimes achieve mutually beneficial terms by eliminating intermediary fees. If trust has been established, peer-to-peer transactions between collectors can be the most efficient sales method.
• Leveraging Online Platforms: Announcements within international sword-fitting communities (specialized forums and social media groups) enable direct access to buyers with strong interest in particular subjects or styles. However, risk management regarding fraud and disputes is essential.

Market Environment and Future Outlook

Several structural changes are currently underway in the environment surrounding the tsuba market.

Continued yen weakness underscores the international affordability of Japanese sword fittings, driving demand from wealthy collectors in Europe, America, and East Asia. Meanwhile, in the domestic market, there is an increasing trend of releases due to inheritance and liquidation by aging collectors, creating more opportunities for high-quality works to enter the market.

It should also be noted that digitalization has made access to international auctions easier. Increasingly, works formerly limited to domestic distribution are being traded at international prices through online bidding, and the gap between international prices and domestic dealer buyback prices is widening. How one leverages this information gap significantly influences the realized price at sale.

Conclusion — Building a Valuable Collection and Exit Strategy

An investment perspective on tsuba should be positioned not as "pure speculation" but as "long-term asset formation based on aesthetic judgment and specialized knowledge." Purchasing quality pieces certified by NBTHK at fair prices, storing them in proper conditions, and carefully documenting provenance — accumulating these processes is the proven path to building collections that balance aesthetic and asset value.

It is important to consider exit strategy from the point of purchase. By anticipating which market, to whom, and when to sell, the precision of purchase decisions naturally improves. Taking time to deepen knowledge, building relationships with trustworthy experts, and maintaining a long-term perspective are the keys to elevating tsuba collections into true assets.