NA 2026.007
Last revised
Nihontō · Wakizashi · Shirasaya
Mumei Wakizashi Study IV
無銘脇差 · 白鞘
Period unrecorded
A compact, comparatively stout 37.1 cm mumei wakizashi in shirasaya, with two mekugi-ana, a broad hamon visible near the point, and an unresolved dark linear surface feature.
AttributionMumei · 無銘No appraisal paper; both nakago faces and two mekugi-ana photographed
- Nagasa
- 37.1 cm
- Sori
- 0.9 cm
- Nakago
- Two mekugi-ana
Object record
Overview
Object record
- Item
- Wakizashi (脇指) in plain wooden shirasaya (白鞘)
- Attribution
- Mumei / unsigned · photographic record
無銘 - Nagasa
- 37.1 cm
- Sori
- 0.9 cm
- Width
- Motohaba 2.8 cm · sakihaba 2.0 cm
- Kasane
- Motogasane 0.5 cm · sakigasane 0.4 cm
- Mekugi-ana
- Two · both nakago faces photographed
- Period
- Unrecorded · no appraisal paper supplied
Condition record
- Photographs
- Sixteen archival photographs · no video
- Documents
- No registration card, NBTHK/NTHK paper, or other certificate shown
Photographic record
Plates · 16
Available views arranged as a comparative object study; descriptions distinguish observation from documentary attribution.
Click underlined specialist terms for concise notes and construction diagrams.
I
Shirasaya & Object
白鞘・全体
2 plates
Plate I.1 · 白鞘・全体
Drawn presentation
Blade drawn from its plain wooden , with the storage mounting aligned beside it.
Plate I.2 · 白鞘・全体
Closed
Closed plain wooden , documenting the complete storage mounting.
II
Sugata & Nakago
姿・茎
4 plates
Plate II.1 · 姿・茎
Full ·
Full , . The short 37.1 cm blade retains 2.8 cm motohaba and 2.0 cm sakihaba, giving it a comparatively stout profile despite moderate taper.
Plate II.2 · 姿・茎
Full ·
The full-length view records the same 0.9 cm and worn polish.
Plate II.3 · 姿・茎
·
, . Two and a nearly square kiri-jiri are visible. The two holes establish more than one mounting position, but photographs alone do not prove .
Plate II.4 · 姿・茎
·
, . Both , dense brown patina, and worn surface texture are recorded; no is visible.
III
Habaki & Profile
鎺・断面観察
4 plates
Plate III.1 · 鎺・断面観察
transition
Oblique view across the and -to-blade transition.
Plate III.2 · 鎺・断面観察
Blade profile
Edge-on view along the blade toward the ; recorded visually, not used to infer measurements.
Plate III.3 · 鎺・断面観察
·
One face of a plain, one-piece yellow-metal with a gently domed upper edge. Scattered dents and scratches are visible; exact alloy is not assigned from color alone.
Plate III.4 · 鎺・断面観察
·
Opposing face of the plain , showing further surface wear and the asymmetric overlap at one side seam.
IV
Surface Condition
地鉄・鋒
6 plates
Plate IV.1 · 地鉄・鋒
Blade surface ·
Blade-surface close-up, . A long irregular dark linear feature crosses the worn ji amid scratches and darkening; its depth and nature cannot be established photographically.
Plate IV.2 · 地鉄・鋒
Blade surface ·
Blade-surface close-up, . Scratches, reflections, and current polish condition remain visible.
Plate IV.3 · 地鉄・鋒
·
, . A defined and broad undulating are visible toward the point, but the worn polish does not permit a reliable reading of shape or activity.
Plate IV.4 · 地鉄・鋒
Condition detail ·
Additional condition record. No restoration or defect diagnosis is inferred from the photograph alone.
Plate IV.5 · 地鉄・鋒
Condition detail ·
Additional condition record. Darkened patches and linear marks are visible, but no named flaw or restoration prognosis is inferred from the photograph alone.
Plate IV.6 · 地鉄・鋒
·
, . No sharpening, flaw classification, or restoration recommendation is made from this image.
Photographs courtesy of GN-1-Japan, used with permission.
Revision history
- Public metadata and terminology reviewed.
- Public catalogue record established.