{
  "schemaVersion": "1.0",
  "articleSlug": "free-glass-appraisal-app",
  "topic": "art glass",
  "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
  "comparables": [
    {
      "compId": "comp-2919d3ded5197105",
      "title": "Daum France Art Glass \"Coppelia\" Bottle",
      "auctionHouse": "Akiba Galleries",
      "saleDate": "2025-04-22",
      "lotNumber": "295",
      "price": {
        "amount": 75,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-art-glass-coppelia-bottle-295-c-fe54d3a9db/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Akiba Galleries|2025-04-22T11:00:00.000Z|295",
      "retrievedAt": "2026-10-13T08:06:54.978Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "8d5a3addc202c63a9b66affbfbe834cc0120f11f8563d49293699e0567b858d0",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-7eca9e89406dbcdc",
      "title": "VICTORIAN AMBERINA THUMBPRINT ART GLASS PITCHER",
      "auctionHouse": "Midnight Sun Antique Auction",
      "saleDate": "2015-01-17",
      "lotNumber": "30",
      "price": {
        "amount": 90,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/victorian-amberina-thumbprint-art-glass-pitcher-30-c-5e347e8846/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Midnight Sun Antique Auction|2015-01-17T12:00:00.000Z|30",
      "retrievedAt": "2026-10-13T08:06:55.075Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "af810e407408785eccac2b78f2c1b28f1789eb506212f96715e5a92c7cfe732f",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-86975a82cf1b24d2",
      "title": "Daum France Crystal Pate de Verre Art Glass Butterfly Dish",
      "auctionHouse": "Ace Of Estates",
      "saleDate": "2025-03-23",
      "lotNumber": "155172",
      "price": {
        "amount": 80,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-crystal-pate-de-verre-art-glass-butterfly-dish-155172-c-00c404c895/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Ace Of Estates|2025-03-23T04:00:00.000Z|155172",
      "retrievedAt": "2026-10-13T08:06:55.046Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "e5547d34f2ec36aea1eb6af64a039f263cf0dd836b9d4ea2fdcbb8716b9a35da",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-d33c0e1cc559b5bf",
      "title": "Daum France Signed Art Glass Sea Turtle",
      "auctionHouse": "Greenwich Auction",
      "saleDate": "2025-03-27",
      "lotNumber": "347",
      "price": {
        "amount": 150,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-signed-art-glass-sea-turtle-347-c-8af43eb916/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Greenwich Auction|2025-03-27T12:00:00.000Z|347",
      "retrievedAt": "2026-10-13T08:06:54.985Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "8592b9435421ef02c31b4dcdb74e65db519982ffb857cc778c0b27505fd73464",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-676efc89e90cdbe5",
      "title": "Daum France Large Art Glass Figure of a Fish",
      "auctionHouse": "World Auction Gallery",
      "saleDate": "2024-12-08",
      "lotNumber": "176",
      "price": {
        "amount": 70,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-large-art-glass-figure-of-a-fish-176-c-8d4495d806/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "World Auction Gallery|2024-12-08T10:00:00.000Z|176",
      "retrievedAt": "2026-10-13T08:06:55.028Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "d9553bfa580091f2d8954c167d15b88b644d6a9d7cd53d1c01aaa42516f365da",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-98faae08312d364e",
      "title": "DUNCAN McCLELLAN METAMORPHOSIS ART GLASS VASE",
      "auctionHouse": "Burchard Galleries Inc",
      "saleDate": "2015-01-25",
      "lotNumber": "1102",
      "price": {
        "amount": 900,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/duncan-mcclellan-metamorphosis-art-glass-vase-1102-c-0fa4dd5b68/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Burchard Galleries Inc|2015-01-25T12:00:00.000Z|1102",
      "retrievedAt": "2026-10-13T08:06:55.710Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "ce9bd380fad1b76920a2fa9e166687d8e9614db0a0237c84b54df66a0017eb6a",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-a90073a3a3b74687",
      "title": "DAUM FRANCE SITTING ART GLASS ELEPHANT FIGURINE 9\"",
      "auctionHouse": "DejaVu Estate Sales & Auctions",
      "saleDate": "2025-02-24",
      "lotNumber": "895",
      "price": {
        "amount": 40,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-sitting-art-glass-elephant-figurine-9-895-c-04349a0824/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "DejaVu Estate Sales & Auctions|2025-02-24T06:00:00.000Z|895",
      "retrievedAt": "2026-10-13T08:06:55.903Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "5cda94cc712570cf07cb009007e0c45b9d5eb1018b9a5db94cad7f8cf579bd85",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-6f9ab330bb979a79",
      "title": "Daum France Crystal Coupe Riviera 1/14 scale art glass car, signed on base Daum France length 16 inches",
      "auctionHouse": "Nadeau's Auction Gallery",
      "saleDate": "2025-03-22",
      "lotNumber": "353",
      "price": {
        "amount": 225,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-crystal-coupe-riviera-1-14-scale-art-glass-car-signed-on-base-daum-france-length-16-inches-353-c-f5940359c3/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Nadeau's Auction Gallery|2025-03-22T10:00:00.000Z|353",
      "retrievedAt": "2026-10-13T08:06:55.730Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "4fa4eaaa919f37e602138bad8aa0992cd076cb71af7de201a0ba474b971c3881",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-9b1847ced32f1c07",
      "title": "Ludwig Kny for Stuart, an Art Deco glass",
      "auctionHouse": "Kinghams Auctioneers",
      "saleDate": "2025-05-15",
      "lotNumber": "532",
      "price": {
        "amount": 40,
        "currency": "GBP"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/ludwig-kny-for-stuart-an-art-deco-glass-532-c-11d4a93b51/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Kinghams Auctioneers|2025-05-15T10:00:00.000Z|532",
      "retrievedAt": "2026-10-13T08:06:55.317Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "014281b8e8ce92f021c2652314e65bec3f223704a0e31a7a28eeeaa370eb7d17",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-b323c358f63883cf",
      "title": "Daum France Pate de Verre Art Glass Frog Lidded Bowl",
      "auctionHouse": "Carnegie's Auction Gallery",
      "saleDate": "2025-03-29",
      "lotNumber": "17",
      "price": {
        "amount": 1700,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/daum-france-pate-de-verre-art-glass-frog-lidded-bowl-17-c-04f4b969c3/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Carnegie's Auction Gallery|2025-03-29T09:00:00.000Z|17",
      "retrievedAt": "2026-10-13T08:06:55.772Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "e2d687c79cbe18ac0ed0d5ff51cd5b09f9f52af1745bae40655dcf8a57525eb4",
      "provenanceManifestSha256": "38f68179239addd24341ab5466074d38494ee3e76ea1abf5801df83905018947",
      "auctionPhotoSupplied": true
    }
  ]
}