匕首 - 日本

NBTHK Tokubetsu Gendaitō Wakizashi by Zuiunshi Zensada with Dragon Horimono

A powerful Shōwa period wakizashi with master carved dragon horimono, certified NBTHK Tokubetsu

This exceptional gendaitō wakizashi was forged in 1973 (Shōwa era) by the distinguished Tosa swordsmith Zuiunshi Zensada (瑞雲子善定). The blade is officially designated and certified by the NBTHK as a Wakizashi and awarded Tokubetsu Hozon (Special Preservation) status, confirming its high artistic, historical, and technical quality.

Wakizashi of this level from the Shōwa period are increasingly scarce, particularly examples that combine strong classical proportions, refined horimono, and Tokubetsu certification. This sword represents a mature and highly accomplished work within the modern Japanese sword tradition of Tosa Province.

Swordsmith  Zuiunshi Zensada

Zuiunshi Zensada, real name Yamamura Shigematsu, was one of the leading gendaitō masters of Kōchi Prefecture Tosa. He trained under Kawashima Tadayoshi (first generation) and received the Army Technical Encouragement Association Chairman’s Award, a distinction reserved for swordsmiths of exceptional technical ability.

He later served as an Honorary Master of the National Institute of Technology, reflecting his status not only as a craftsman but also as a technical authority. Zensada is particularly admired for his classical sensibility, Bizen-influenced workmanship, and outstanding skill in horimono (blade engraving).

Blade Description  Wakizashi

NBTHK formally classifies this blade as a wakizashi (short sword). Despite its relatively compact length, the blade displays an exceptionally powerful sugata, defined by its remarkable width and thickness. These proportions give the sword a strong and commanding presence rarely encountered in modern wakizashi.

The minimal curvature creates a dignified and restrained appearance, while the refined jigane and controlled workmanship confirm that this is a fully traditional gendaitō, forged with artistic intent rather than utilitarian purpose. The balance between strength and elegance reflects Zensada’s mature Shōwa-period craftsmanship.

Horimono  Dragon Engraving

One side of the blade is adorned with a masterfully carved dragon (ryū), executed with deep, confident chisel work. The carving shows excellent anatomical understanding, with finely articulated scales and a dynamic flow that harmonizes naturally with the blade’s geometry.

In Japanese sword tradition, the dragon symbolizes wisdom, authority, and spiritual protection. Horimono of this quality are rare on modern swords and significantly enhance both the artistic and cultural value of the piece. This engraving stands as a clear example of why Zensada is regarded as one of the finest horimono craftsmen of the Shōwa era.

Zuiunshi Zensada was known not only as a skilled Shōwa period swordsmith, but as a craftsman who viewed the sword as a complete artistic and spiritual object. His deliberate use of horimono particularly dragon imagery associated with his art name “Zuiunshi,” meaning “Child of Auspicious Clouds”reflects a personal philosophy rooted in classical symbolism rather than decoration. The powerful proportions and confident carving of this wakizashi suggest a blade forged and engraved as a unified work, expressing the smith’s own artistic identity.

Habaki
This sword features an exceptional handcarved copper habaki with shishi and peony motifs, a prestigious combination traditionally reserved for important blades. Such custom made habaki are rarely encountered and add clear artistic presence and tangible collector value.
NBTHK Tokubetsu Hozon Certification

This wakizashi is certified NBTHK Tokubetsu Hozon (Special Preservation Sword). This designation confirms the authenticity of the blade, the high level of craftsmanship, and its excellent state of preservation.

Measurements

Blade length (nagasa) 30.8 cm
Curvature (sori) 0.2 cm
Width at hamachi (motohaba: 3.65 cm
Thickness (kasane) 7 mm
Mekugi-ana 1
Era: Shōwa era AD 1973
Province: Tosa  Kōchi Prefecture

Classification according to NBTHK Wakizashi

Collector’s Summary

This Zuiunshi Zensada gendaitō wakizashi offers a rare opportunity to acquire a Tokubetsu Hozon certified modern Japanese short sword by a recognized Shōwa period master. Its powerful proportions, exceptional dragon horimono, and confirmed NBTHK classification make it suitable for advanced private collections as well as museum level presentation.

European specialists in high grade Japanese swords and gendaitō, fully compliant with EU ownership and export regulations.