{
  "schemaVersion": "1.0",
  "articleSlug": "how-to-identify-japanese-porcelain-marks-on-tea-sets-and-vases",
  "topic": "japanese porcelain",
  "provenanceManifestSha256": "b915b57e1a4db6310aa18a4ee204cdaa410de2bee0eeb4c823c08ef1c5dda594",
  "comparables": [
    {
      "compId": "comp-7a984361ccbe3d21",
      "title": "JAPANESE PORCELAIN TEA SERVICE GROUPING",
      "auctionHouse": "Westport Auction",
      "saleDate": "2025-08-26",
      "lotNumber": "93",
      "price": {
        "amount": 20,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/japanese-porcelain-tea-service-grouping-93-c-ee84aae945/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Westport Auction|2025-08-26T11:00:00.000Z|93",
      "retrievedAt": "2026-10-13T08:35:24.120Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "3991812846fe9d4a62a67cdad3c1af07d147c3e268f264ef47b5c25d71a969f7",
      "provenanceManifestSha256": "b915b57e1a4db6310aa18a4ee204cdaa410de2bee0eeb4c823c08ef1c5dda594",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-610a93d6e5357d01",
      "title": "11 PIECE JAPANESE KIZAN SATSUMA PORCELAIN TEA SET",
      "auctionHouse": "Palm Beach Auction Gallery",
      "saleDate": "2015-05-21",
      "lotNumber": "33",
      "price": {
        "amount": 30,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/11-piece-japanese-kizan-satsuma-porcelain-tea-set-33-c-a424dc883f/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Palm Beach Auction Gallery|2015-05-21T06:00:00.000Z|33",
      "retrievedAt": "2026-10-13T08:35:25.866Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "007ba0ec35616ced9ddf399661723bbf59c1d71d68c09e19aa79e751029ff08f",
      "provenanceManifestSha256": "b915b57e1a4db6310aa18a4ee204cdaa410de2bee0eeb4c823c08ef1c5dda594",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-2175d24772a580ad",
      "title": "Vintage Japanese Porcelain Tea Set",
      "auctionHouse": "Wealthier Art & Auction",
      "saleDate": "2023-02-24",
      "lotNumber": "970",
      "price": {
        "amount": 80,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/vintage-japanese-porcelain-tea-set-970-c-bd44345b16/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Wealthier Art & Auction|2023-02-24T11:00:00.000Z|970",
      "retrievedAt": "2026-10-13T08:35:24.094Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "d9a95572acacff58ce6aac01d211c6b4500321e1c5e2ceec10d706754f0c3aae",
      "provenanceManifestSha256": "b915b57e1a4db6310aa18a4ee204cdaa410de2bee0eeb4c823c08ef1c5dda594",
      "auctionPhotoSupplied": true
    }
  ]
}