{
  "fileFormatID": 1912,
  "formatName": "Seattle FilmWorks SFW Image Format",
  "version": null,
  "formatDescription": "Seattle FilmWorks was a mail order film processing company. Digitised photographs made by the company used a family of proprietary raster image formats known as SFW and PWP (PhotoWorks PhotoMail). The SFW format has a compressed version based on JPEG, and an uncompressed version based on BMP.",
  "releaseDate": null,
  "binaryFileFormat": null,
  "formatNote": null,
  "lastUpdatedDate": "20 Jan 2020",
  "formatProvenance": null,
  "formatSourceDate": "28 Sep 2017",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Image (Raster)",
  "formatFamilies": null,
  "identifiers": [
    {
      "identifierText": "fmt/1104",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 1486,
      "name": "Seattle FilmWorks Image 94A variant",
      "note": "BOF: SFW94A",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "534657393441",
          "endianness": null,
          "byteSequenceID": 1748
        }
      ]
    },
    {
      "signatureID": 1614,
      "name": "Seattle FilmWorks Image 98A variant",
      "note": "BOF: SFW98A",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "534657393841",
          "endianness": null,
          "byteSequenceID": 1884
        }
      ]
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "sfw",
      "signatureType": "File extension"
    }
  ],
  "relationships": [],
  "submittedBy": [
    220
  ]
}