{
  "schemaVersion": 1,
  "canonicalUrl": "https://zufu.whiskey.works/objects/mumei-wakizashi-study-02/",
  "recordUrl": "https://zufu.whiskey.works/objects/mumei-wakizashi-study-02/record.json",
  "accession": "NA 2026.005",
  "title": "Mumei Wakizashi Study II",
  "japaneseTitle": "無銘脇差 · 白鞘",
  "classification": {
    "category": "nihonto",
    "form": "wakizashi",
    "presentation": [
      "shirasaya"
    ]
  },
  "period": "Period unrecorded",
  "summary": "A long, slender 51.6 cm mumei wakizashi in shirasaya, notable for pronounced taper, a one-hole nakago, a worn nijū-habaki, and surface condition that limits a reliable hamon reading.",
  "attribution": {
    "label": "Mumei",
    "japanese": "無銘",
    "qualifier": "No appraisal paper; both nakago faces photographed"
  },
  "highlights": [
    {
      "label": "Nagasa",
      "value": "51.6 cm"
    },
    {
      "label": "Sori",
      "value": "1.3 cm"
    },
    {
      "label": "Profile",
      "value": "Pronounced taper"
    }
  ],
  "revisedOn": "2026-07-23",
  "revisions": [
    {
      "date": "2026-07-22",
      "note": "Public catalogue record established."
    },
    {
      "date": "2026-07-23",
      "note": "Public metadata and terminology reviewed."
    }
  ],
  "hero": {
    "image": "https://zufu.whiskey.works/media/na-2026-005/01.jpg",
    "alt": "Mumei Wakizashi Study II wakizashi drawn from its plain wooden shirasaya on purple cloth"
  },
  "sections": [
    {
      "title": "Object record",
      "facts": [
        {
          "label": "Item",
          "value": "Wakizashi (脇指) in plain wooden shirasaya (白鞘)"
        },
        {
          "label": "Attribution",
          "value": "Mumei / unsigned · photographic record\n無銘"
        },
        {
          "label": "Nagasa",
          "value": "51.6 cm"
        },
        {
          "label": "Sori",
          "value": "1.3 cm"
        },
        {
          "label": "Width",
          "value": "Motohaba 2.8 cm · sakihaba 1.5 cm"
        },
        {
          "label": "Kasane",
          "value": "Motogasane 0.7 cm · sakigasane 0.4 cm"
        },
        {
          "label": "Mekugi-ana",
          "value": "One · both nakago faces photographed"
        },
        {
          "label": "Period",
          "value": "Unrecorded · no appraisal paper supplied"
        }
      ],
      "notes": [
        {
          "lead": "Attribution boundary.",
          "body": "Both nakago faces photographed; no legible inscription and no appraisal paper supplied."
        }
      ]
    },
    {
      "title": "Condition record",
      "facts": [
        {
          "label": "Photographs",
          "value": "Sixteen archival photographs · no video"
        },
        {
          "label": "Documents",
          "value": "No registration card, NBTHK/NTHK paper, or other certificate shown"
        }
      ],
      "notes": [
        {
          "lead": "Visible record.",
          "body": "Scratches, reflected light, and current polish condition are visible throughout the blade-surface close-ups. No specific defect is diagnosed from the photographs alone."
        }
      ]
    }
  ],
  "plates": [
    {
      "number": "I.1",
      "group": "I",
      "groupTitle": "Shirasaya & Object",
      "title": "Drawn presentation",
      "japanese": "白鞘・全体",
      "caption": "Blade drawn from its plain wooden shirasaya, with the storage mounting aligned beside it.",
      "alt": "Mumei Wakizashi Study II: Drawn presentation",
      "image": "https://zufu.whiskey.works/media/na-2026-005/01.jpg",
      "redacted": false
    },
    {
      "number": "I.2",
      "group": "I",
      "groupTitle": "Shirasaya & Object",
      "title": "Closed shirasaya",
      "japanese": "白鞘・全体",
      "caption": "Closed plain wooden shirasaya, documenting the complete storage mounting.",
      "alt": "Mumei Wakizashi Study II: Closed shirasaya",
      "image": "https://zufu.whiskey.works/media/na-2026-005/02.jpg",
      "redacted": false
    },
    {
      "number": "II.1",
      "group": "II",
      "groupTitle": "Sugata & Nakago",
      "title": "Full sugata · omote",
      "japanese": "姿・茎",
      "caption": "Full sugata, omote. At 51.6 cm nagasa with 1.3 cm sori, the blade presents a long, slender profile and pronounced taper from 2.8 cm motohaba to 1.5 cm sakihaba.",
      "alt": "Mumei Wakizashi Study II: Full sugata · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/03.jpg",
      "redacted": false
    },
    {
      "number": "II.2",
      "group": "II",
      "groupTitle": "Sugata & Nakago",
      "title": "Full sugata · ura",
      "japanese": "姿・茎",
      "caption": "The ura full-length view confirms the strong taper and relatively narrow point.",
      "alt": "Mumei Wakizashi Study II: Full sugata · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/04.jpg",
      "redacted": false
    },
    {
      "number": "II.3",
      "group": "II",
      "groupTitle": "Sugata & Nakago",
      "title": "Nakago · omote",
      "japanese": "姿・茎",
      "caption": "Nakago, omote. One mekugi-ana, a rounded nakago-jiri, and mottled brown patina are visible; no mei is present.",
      "alt": "Mumei Wakizashi Study II: Nakago · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/05.jpg",
      "redacted": false
    },
    {
      "number": "II.4",
      "group": "II",
      "groupTitle": "Sugata & Nakago",
      "title": "Nakago · ura",
      "japanese": "姿・茎",
      "caption": "Nakago, ura. The single mekugi-ana and worn surface are recorded, but the photographed texture does not support a confident yasurime classification.",
      "alt": "Mumei Wakizashi Study II: Nakago · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/06.jpg",
      "redacted": false
    },
    {
      "number": "III.1",
      "group": "III",
      "groupTitle": "Habaki & Profile",
      "title": "Habaki · omote",
      "japanese": "鎺・断面観察",
      "caption": "One face of a worn yellow-metal nijū-habaki. The upper jacket rises behind a lower overlapping piece, and the stepped construction line remains legible despite discoloration.",
      "alt": "Mumei Wakizashi Study II: Habaki · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/07.jpg",
      "redacted": false
    },
    {
      "number": "III.2",
      "group": "III",
      "groupTitle": "Habaki & Profile",
      "title": "Habaki · ura",
      "japanese": "鎺・断面観察",
      "caption": "Opposing face of the nijū-habaki, showing the same nested two-piece construction and uneven surface oxidation. Exact alloy is not assigned from color alone.",
      "alt": "Mumei Wakizashi Study II: Habaki · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/08.jpg",
      "redacted": false
    },
    {
      "number": "III.3",
      "group": "III",
      "groupTitle": "Habaki & Profile",
      "title": "Machi transition",
      "japanese": "鎺・断面観察",
      "caption": "Edge-on view across the machi and nakago-to-blade transition, recording the step at the machi and the change from patinated nakago to polished blade.",
      "alt": "Mumei Wakizashi Study II: Machi transition",
      "image": "https://zufu.whiskey.works/media/na-2026-005/09.jpg",
      "redacted": false
    },
    {
      "number": "III.4",
      "group": "III",
      "groupTitle": "Habaki & Profile",
      "title": "Blade profile",
      "japanese": "鎺・断面観察",
      "caption": "Long edge-on view toward the kissaki, documenting the blade’s thin, tapering section without using perspective distortion as a measurement.",
      "alt": "Mumei Wakizashi Study II: Blade profile",
      "image": "https://zufu.whiskey.works/media/na-2026-005/10.jpg",
      "redacted": false
    },
    {
      "number": "IV.1",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Blade surface · ura",
      "japanese": "地鉄・鋒",
      "caption": "Blade-surface close-up, ura. Linear scratches, patches of haze, and strong flash reflection obscure the ji; the hamon is only intermittently readable and is not classified from this image.",
      "alt": "Mumei Wakizashi Study II: Blade surface · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/11.jpg",
      "redacted": false
    },
    {
      "number": "IV.2",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Blade surface · ura",
      "japanese": "地鉄・鋒",
      "caption": "Blade-surface close-up, ura. Scratches, reflections, and current polish condition remain visible.",
      "alt": "Mumei Wakizashi Study II: Blade surface · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/12.jpg",
      "redacted": false
    },
    {
      "number": "IV.3",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Kissaki · ura",
      "japanese": "地鉄・鋒",
      "caption": "Kissaki, ura. The point is slender, while dense surface scratching and uneven polish obscure the yokote and bōshi sufficiently to prevent a technical reading.",
      "alt": "Mumei Wakizashi Study II: Kissaki · ura",
      "image": "https://zufu.whiskey.works/media/na-2026-005/13.jpg",
      "redacted": false
    },
    {
      "number": "IV.4",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Condition detail · omote",
      "japanese": "地鉄・鋒",
      "caption": "Additional omote condition record. No restoration or defect diagnosis is inferred from the photograph alone.",
      "alt": "Mumei Wakizashi Study II: Condition detail · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/14.jpg",
      "redacted": false
    },
    {
      "number": "IV.5",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Condition detail · omote",
      "japanese": "地鉄・鋒",
      "caption": "Additional omote condition record. Bright reflection and scratches are visible, but no named flaw or restoration prognosis is inferred from the photograph alone.",
      "alt": "Mumei Wakizashi Study II: Condition detail · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/15.jpg",
      "redacted": false
    },
    {
      "number": "IV.6",
      "group": "IV",
      "groupTitle": "Surface Condition",
      "title": "Kissaki · omote",
      "japanese": "地鉄・鋒",
      "caption": "Kissaki, omote. No sharpening, flaw classification, or restoration recommendation is made from this image.",
      "alt": "Mumei Wakizashi Study II: Kissaki · omote",
      "image": "https://zufu.whiskey.works/media/na-2026-005/16.jpg",
      "redacted": false
    }
  ],
  "rights": {
    "catalogue": "© 2026 whiskey.works",
    "photographs": "Courtesy of GN-1-Japan, used with permission. No downstream reproduction permission is granted."
  }
}