Antique Japanese Katana Sword with Tombo Dragonfly Menuki & Sansui Landscape Tsuba

• Signature (Mei): Mumei (unsigned) — both sides
• Period: Edo Period — jidai-tō (period sword) in period koshirae
• Mounting: Period koshirae — iron sansui-zu tsuba with zogan accents; dragonfly (tombo) menuki in shakudō and gilt; karakusa brass fuchi-kashira; brass habaki; dark leather tsuka-maki
• Blade Length (Nagasa): 63.0 cm
• Curvature (Sori): 1.8 cm
• Mekugi-ana: 2
• Shape: Shinogi-zukuri, chu-kissaki
• Motohaba: 28.8 mm / Sakihaba: 19.3 mm
• Motokasane: 6.2 mm / Sakikasane: 4.8 mm
• Blade Weight (naked): 575 g / Weight with saya: 819 g
• Total koshirae length: 94.0 cm / Saya: 72.3 cm / Tsuka: 21.0 cm
• Hamon: Notare-gunome with active nie along the habuchi
• Boshi: Composed ko-maru turnback into chu-kissaki
• Suitable for: Iai / Battō / Tameshigiri

This handsome Edo-period Katana is an unsigned (mumei) jidai-tō — a genuine period blade presented in its original period koshirae — that combines a well-preserved and lively blade with a koshirae of notable artistic distinction. Measuring 63.0 cm with a full, confident 1.8 cm sori, the geometry is that of a practical and well-balanced Edo-period katana: a relatively broad motohaba of 28.8 mm tapering to a clean chu-kissaki, the shinogi-zukuri profile carried with authority along a blade whose proportions feel natural in the hand. The two mekugi-ana in the well-aged nakago speak to a genuine history of use and mounting changes across the centuries, and at 575 g naked, the blade sits within the handling range that made Edo-period katana equally suited to iai, battō, and tameshigiri practice.

The hamon is the blade's most compelling feature and the source of its immediate visual appeal. A vigorous notare-gunome moves along the entire cutting edge with rhythmic energy — broad, rounded peaks rising and falling in an undulating sequence that fills the yakiba with life and light. The habuchi is populated throughout with active nie, the martensitic crystals catching the light in bright, shifting points that animate the boundary between hard and soft steel. Near the machi, the hamon opens from a composed yakidashi before developing into its full notare-gunome character — a sign of deliberate, controlled tempering rather than hurried production. The ji is dark and well-forged, providing the ideal contrasting ground against which the bright hamon asserts itself. The boshi completes the tempering with a neat ko-maru turnback into the chu-kissaki, the activity continuing cleanly to the very tip of the blade.

Osaka Prefecture registration No. 96353, issued in Shōwa 58 (1983), confirms this blade's full legal status for ownership and use within Japan and internationally.

Koshirae Details

The period koshirae of this sword is an ensemble of considerable character, unified by a naturalistic aesthetic that speaks eloquently of Edo-period sensibility — an appreciation for the beauty of the natural world rendered through the metalworker's and lacquerer's arts. The ensemble's defining iconographic statement is its extraordinary dragonfly (tombo) menuki, and every other element of the koshirae supports and frames this remarkable choice.

The tsuba is a large, heavily worked iron piece in a rounded kaku-mokko form, its entire surface given over to a richly atmospheric sansui-zu (mountain and water landscape). Pine trees, distant mountain silhouettes, and what appears to be a small boat among reeds are rendered in kebori (hairline engraving) and subtle relief against the deeply patinated iron ground, with scattered accents of gold and copper zogan (inlay) punctuating the composition. This is not the abbreviated decorative gesture of a workaday tsuba but a considered landscape composition — a miniature ink painting translated into iron by a smith who understood both the artistic tradition he was invoking and the technical demands of working it into metal. The single kozuka hitsu interrupts the composition naturally, and the overall iron surface has aged to a magnificent deep black that sets off the landscape's fine detail.

The menuki are the heart of this koshirae's identity. Rendered in shakudō with generous gilt detailing, the paired tombo (dragonfly) figures are depicted with exceptional naturalistic fidelity — wings fully spread and traced with vein-like precision, bodies modeled in the round with careful attention to the insect's distinctive form. In Japanese warrior culture, the dragonfly carried deep symbolic resonance: called kachimushi — "victory insect" — it was prized by samurai precisely because it moves only forward, never retreating. To carry dragonfly menuki was to carry an invocation of forward momentum, relentless advance, and ultimate victory. The prominence and quality of these menuki transforms an already distinguished koshirae into one with genuine iconographic and symbolic weight.

The fuchi-kashira set is worked in warm brass with bold karakusa (arabesque scrollwork) engraved into the surface — confident, flowing line work that provides elegant visual continuity between tsuka and blade. The habaki is a single-piece brass collar finished with tight horizontal yasurime ribbing, its warm golden surface providing a luminous transition between the iron tsuba and the blade above. The tsuka is wrapped in dark brown leather (kawa) in the classic hishi-maki diamond pattern over white same (ray skin), the leather having aged to a rich espresso tone that speaks of genuine period use. The nodules of the same are visible through each diamond aperture, and the overall handle presents with the honest, well-worn authority of a sword that has been handled and carried across the centuries.

Historical Context: The Edo-Period Jidai-Tō

The term jidai-tō — "period sword" — designates an antique Japanese blade forged during one of the recognized historical periods of Japanese swordsmanship, most commonly the Edo era (1603–1868). During the long Pax Tokugawa, when the practical requirements of battlefield warfare gave way to the cultural imperatives of a peacetime samurai class, the sword's role transformed profoundly. A blade like the present example — well-proportioned, beautifully tempered, and dressed in a koshirae of artistic refinement — represents the mature Edo ideal: a weapon of genuine capability that was simultaneously a vehicle for aesthetic and philosophical expression.

The unsigned (mumei) status of this blade is entirely normal for Edo-period work, where many accomplished smiths produced blades that were later shortened (suriage), or where tangs were simply left unsigned as a matter of workshop practice. What matters to the eye and the hand is the quality visible in the steel itself — and here, the lively notare-gunome hamon with its active nie, the dark and well-forged ji, and the composed boshi all speak to a smith of genuine ability working within a confident tradition. Paired with a koshirae whose dragonfly menuki and landscape tsuba elevate it well above the ordinary, this sword offers the collector and practitioner a complete Edo-period experience: authentic blade, authentic mountings, and an authentic piece of Japanese history.