{
  "schemaVersion": 1,
  "canonicalUrl": "https://zufu.whiskey.works/objects/mumei-yari-study-01/",
  "recordUrl": "https://zufu.whiskey.works/objects/mumei-yari-study-01/record.json",
  "accession": "NA 2026.013",
  "title": "Mumei Yari Study I",
  "japaneseTitle": "無銘槍 · 柄付",
  "classification": {
    "category": "nihonto",
    "form": "yari",
    "presentation": [
      "koshirae"
    ]
  },
  "period": "Period unrecorded · not established",
  "summary": "An unsigned su-yari head of 9.9 cm with a groove cut in the blade, still seated on a short red-lacquered shaft that the source reports will not come off; rusted, and unpapered.",
  "attribution": {
    "label": "Mumei · unattributed",
    "japanese": "無銘",
    "qualifier": "Unsigned; the head remains mounted, so the tang cannot be examined and no attribution is proposed"
  },
  "highlights": [
    {
      "label": "Nagasa",
      "value": "9.9 cm"
    },
    {
      "label": "Profile",
      "value": "Su-yari with a hi"
    },
    {
      "label": "Condition",
      "value": "Rusted · unpapered"
    }
  ],
  "revisedOn": "2026-08-20",
  "revisions": [
    {
      "date": "2026-08-20",
      "note": "Catalogue record established from the ended listing and its 15 gallery photographs."
    }
  ],
  "hero": {
    "image": "https://zufu.whiskey.works/media/na-2026-013/01.jpg",
    "alt": "Small su-yari head on its short red-lacquered shaft"
  },
  "sections": [
    {
      "title": "Object record",
      "facts": [
        {
          "label": "Item",
          "value": "Yari (槍) mounted on its e (柄)"
        },
        {
          "label": "Mei",
          "value": "None visible · the tang is not accessible"
        },
        {
          "label": "Nagasa",
          "value": "9.9 cm"
        },
        {
          "label": "Width",
          "value": "Motohaba 2.0 cm"
        },
        {
          "label": "Kasane",
          "value": "Motogasane 1.1 cm"
        },
        {
          "label": "Form",
          "value": "Su-yari · straight head, stout triangular section, hi cut in the blade"
        },
        {
          "label": "Mounting",
          "value": "Short red-lacquered wooden shaft; the source states it will not come off"
        },
        {
          "label": "Period",
          "value": "Unrecorded · no appraisal paper supplied"
        }
      ],
      "notes": [
        {
          "lead": "Terminology note.",
          "body": "The source title calls this “Yari in Tsuka”. The handle of a polearm is properly its e (柄, also ebu), not a tsuka; the source's own wording is preserved verbatim in the sale details below, and the correct term is used throughout this dossier."
        },
        {
          "lead": "Attribution boundary.",
          "body": "The head is fixed on the shaft, so the nakago — where a yari's signature would be — cannot be seen or measured at all. Nothing here proposes a smith, school, or period, and the absence of a visible mei is a consequence of the mounting rather than evidence that the head is unsigned."
        }
      ]
    },
    {
      "title": "Condition record",
      "facts": [
        {
          "label": "Photographs",
          "value": "Fifteen archival photographs · no video"
        },
        {
          "label": "Documents",
          "value": "No registration card, NBTHK/NTHK paper, or other certificate shown"
        }
      ],
      "notes": [
        {
          "lead": "Visible record.",
          "body": "The head carries an even brown rust film with pale grey patches where the surface has been rubbed back, and the point and edges remain sharp in outline. A soft wavy band follows the edge on both faces beneath the rust. The lacquer on the shaft is chipped along the arrises and at the butt, exposing dark wood. Nothing here classifies a defect."
        }
      ]
    }
  ],
  "plates": [
    {
      "number": "IV.1",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Whole object · first face",
      "japanese": "柄・全体",
      "caption": "The object entire. A 9.9 cm head sits on a short red-lacquered shaft; the proportion of head to surviving shaft shows how much of the original length is gone. A small hole is visible through the shaft below the head.",
      "alt": "The whole yari: small head on a short red-lacquered shaft, first face",
      "image": "https://zufu.whiskey.works/media/na-2026-013/01.jpg",
      "redacted": false
    },
    {
      "number": "IV.2",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Whole object · second face",
      "japanese": "柄・全体",
      "caption": "The reverse. The lacquer reads as a strong orange-red under this light, worn thin along the upper arris where handling has rubbed it back to a darker ground.",
      "alt": "The whole yari from the reverse",
      "image": "https://zufu.whiskey.works/media/na-2026-013/02.jpg",
      "redacted": false
    },
    {
      "number": "IV.3",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Shaft · pin hole & texture",
      "japanese": "柄・全体",
      "caption": "The shaft at close range. A small round hole passes through it — the seat for a retaining pin — and one facet carries a fine diagonal cross-hatched texture beneath the lacquer, where an underlayer shows through the worn surface.",
      "alt": "Mid-shaft with a small pin hole and a cross-hatched texture under the lacquer",
      "image": "https://zufu.whiskey.works/media/na-2026-013/12.jpg",
      "redacted": false
    },
    {
      "number": "IV.4",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Shaft · lacquer wear",
      "japanese": "柄・全体",
      "caption": "Lacquer condition along the shaft: the red survives well on the flats and has worn to a dark brown along the arrises, with small chips and a shallow gouge visible.",
      "alt": "Shaft surface showing lacquer loss along the ridges",
      "image": "https://zufu.whiskey.works/media/na-2026-013/13.jpg",
      "redacted": false
    },
    {
      "number": "IV.5",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Shaft · butt end",
      "japanese": "柄・全体",
      "caption": "The butt end, finished flat with no cap or ferrule and with lacquer loss around the edge exposing dark wood. The section reads as a rounded polygon rather than a true circle.",
      "alt": "The butt end of the shaft, cut flat",
      "image": "https://zufu.whiskey.works/media/na-2026-013/14.jpg",
      "redacted": false
    },
    {
      "number": "IV.6",
      "group": "IV",
      "groupTitle": "Mounted Object",
      "title": "Shaft · section at the butt",
      "japanese": "柄・全体",
      "caption": "The same end from a second angle, where the faceted section and the thickness of the lacquer layer over the wood core are both legible.",
      "alt": "The butt end from another angle showing the shaft section",
      "image": "https://zufu.whiskey.works/media/na-2026-013/15.jpg",
      "redacted": false
    },
    {
      "number": "II.1",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Head · first face",
      "japanese": "穂・地刃",
      "caption": "The head on its first face. Under an even brown rust film, a soft wavy band runs along the edge and reads as lighter than the ground above it. The outline of the point is unbroken and the section is markedly thick for the width.",
      "alt": "The head, first face, showing rust film and a wavy band along the edge",
      "image": "https://zufu.whiskey.works/media/na-2026-013/03.jpg",
      "redacted": false
    },
    {
      "number": "II.2",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Head · hi",
      "japanese": "穂・地刃",
      "caption": "The second face carries a long narrow groove — a hi — cut along the centre of the blade and stopping short of both ends. Its floor is rust-filled and its walls are clean and parallel.",
      "alt": "The head, second face, with a long narrow groove cut in the blade",
      "image": "https://zufu.whiskey.works/media/na-2026-013/04.jpg",
      "redacted": false
    },
    {
      "number": "II.3",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Head · raking light",
      "japanese": "穂・地刃",
      "caption": "The same head under a lower, harder light, which lifts the wavy edge band into a clearer pattern of pale patches. Whether that is a hamon or differential rust is not settled from photographs.",
      "alt": "The head under raking light with pale patches along the edge",
      "image": "https://zufu.whiskey.works/media/na-2026-013/06.jpg",
      "redacted": false
    },
    {
      "number": "II.4",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Hi & ridge",
      "japanese": "穂・地刃",
      "caption": "Closer on the groove. The central ridge runs unbroken from the base to the point on either side of it, giving the head its stiff triangular section.",
      "alt": "Close view of the groove and the ridge line running to the point",
      "image": "https://zufu.whiskey.works/media/na-2026-013/07.jpg",
      "redacted": false
    },
    {
      "number": "II.5",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Head & shaft together",
      "japanese": "穂・地刃",
      "caption": "Head and shaft in one frame, with the metal collar visible where the base of the head enters the socket. The relationship of the two is fixed.",
      "alt": "The head and the top of the shaft together, showing the collar",
      "image": "https://zufu.whiskey.works/media/na-2026-013/10.jpg",
      "redacted": false
    },
    {
      "number": "II.6",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Point",
      "japanese": "穂・地刃",
      "caption": "The point at close range: intact, still acute, with the rust film thinning at the extreme tip where the surface has been handled.",
      "alt": "The point of the head at close range",
      "image": "https://zufu.whiskey.works/media/na-2026-013/11.jpg",
      "redacted": false
    },
    {
      "number": "II.7",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Head, edge-on",
      "japanese": "穂・地刃",
      "caption": "A near-edge-on record showing how the section stands up: a stout 1.1 cm at the base carried well forward before it runs out at the point.",
      "alt": "Near-edge-on view along the head to the point",
      "image": "https://zufu.whiskey.works/media/na-2026-013/05.jpg",
      "redacted": false
    },
    {
      "number": "II.8",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Base & socket",
      "japanese": "穂・地刃",
      "caption": "Where the head enters the shaft: the base swells to a shoulder and disappears into the lacquered socket. Nothing of the tang is visible past this point.",
      "alt": "The base of the head where it meets the lacquered socket",
      "image": "https://zufu.whiskey.works/media/na-2026-013/08.jpg",
      "redacted": false
    },
    {
      "number": "II.9",
      "group": "II",
      "groupTitle": "Head & Blade",
      "title": "Junction, close",
      "japanese": "穂・地刃",
      "caption": "The junction at close range. A gap has opened between the shoulder of the head and the mouth of the socket, and old adhesive or filler is visible in it — the seating is loose but the head has not come free.",
      "alt": "Close view of the junction with a gap between metal and lacquer",
      "image": "https://zufu.whiskey.works/media/na-2026-013/09.jpg",
      "redacted": false
    }
  ],
  "rights": {
    "catalogue": "© 2026 whiskey.works",
    "photographs": "Courtesy of GN-1-Japan, used with permission. No downstream reproduction permission is granted."
  }
}
