{
  "schemaVersion": "1.0",
  "articleSlug": "unlocking-the-secrets-identification-of-antique-clockmakers-marks",
  "topic": "clock movement",
  "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
  "comparables": [
    {
      "compId": "comp-8af0937cf8823133",
      "title": "A QUEEN ANNE PERIOD EBONISED AND BRASS MOUNTED QUARTER REPEATING BRACKET / TABLE CLOCK SIGNED J. LOWNDES LONDON the case, part late 17th / early 18th century and with later additions, with domed top surmounted by a foliate cast, swing handle flanked by four bud, spire finials and with a pierced gilt foliate mount, on a plinth base, the eight inch square brass dial with gilt putto spandrels and silvered Roman chapter ring with Arabic five minute markers signed 'J. Lowndes London', with gilt matted centre with mock pendulum aperture, ringed winding squares (one dummy winding square) and chamfered date aperture with engraved surround of a basket of flowers flanked by a pair of doves, the single fusee timepiece movement with ringed and knopped pillars uniting the rectangular plates, with replaced verge 'scape wheel and pallets, with pull repeat striking the hours and quarters on two bells, the backplate engraved throughout with scrolling foliage and acanthus leaves, with pendulum,  The movement requires attention and is not currently ticking but the repeat work is in working order.  Jonathan Lowndes is recorded as working At the Dial in Pall Mall, London. He was a member of the Clockmakers' Company from 1680 to 1710.",
      "auctionHouse": "Chiswick Auctions",
      "saleDate": "2018-12-05",
      "lotNumber": "201",
      "price": {
        "amount": 3250,
        "currency": "GBP"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/a-queen-anne-period-ebonised-and-brass-mounted-quarter-repeating-bracket-table-clock-signed-j-lowndes-london-the-case-part-late-17th-early-18th-century-and-with-later-additions-with-domed-top-surmounted-by-a-foliate-cast-swing-handle-flanked-by-four-bud-spire-finials-and-with-a-pierced-gilt-foliate-mount-on-a-plinth-base-the-eight-inch-square-brass-dial-with-gilt-putto-spandrels-and-silvered-roman-chapter-ring-with-arabic-five-minute-markers-signed-j-lowndes-london-with-gilt-matted-centre-with-mock-pendulum-aperture-ringed-winding-squares-one-dummy-winding-square-and-chamfered-date-aperture-with-engraved-surround-of-a-basket-of-flowers-flanked-by-a-pair-of-doves-the-single-fusee-timepiece-movement-with-ringed-and-knopped-pillars-uniting-the-rectangular-plates-with-replaced-verge-scape-wheel-and-pallets-with-pull-repeat-striking-the-hours-and-quarters-on-two-bells-the-backplate-engraved-throughout-with-scrolling-foliage-and-acanthus-leaves-with-pendulum-the-movement-requires-attention-and-is-not-currently-ticking-but-the-repeat-work-is-in-working-order-jonathan-lowndes-is-recorded-as-working-at-the-dial-in-pall-mall-london-he-was-a-member-of-the-clockmakers-company-from-1680-to-1710-201-c-ad441ca8f5/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Chiswick Auctions|2018-12-05T02:00:00.000Z|201",
      "retrievedAt": "2026-10-21T10:07:52.535Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "f39cd82276816ed4f3f88275fb90b76faf091d6589bd80e753b8d7365b976358",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-6d97d0abaa10afcc",
      "title": "A 30-hour brass lantern clock in a painted pine long case, Thomas Knifton, London, circa 1660, the dial engraved with tulips and signed Thomas Knifton at the (crossed keys) in Lothbury Londini, the conventional posted movement with later...",
      "auctionHouse": "Dawsons Auctioneers",
      "saleDate": "2026-02-25",
      "lotNumber": "22",
      "price": {
        "amount": 12000,
        "currency": "GBP"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/a-30-hour-brass-lantern-clock-in-a-painted-pine-long-case-thomas-knifton-london-circa-1660-the-dial-engraved-with-tulips-and-signed-thomas-knifton-at-the-crossed-keys-in-lothbury-londini-the-conventional-posted-movement-with-later-22-c-c1afbf2e94/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Dawsons Auctioneers|2026-02-25T11:00:00.000Z|22",
      "retrievedAt": "2026-10-21T10:07:53.561Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "d7aab77e5cf439868f3fb98aa91b0e543f703ee6dc23640bf1cb16d977aa8e65",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-60008ad6844c3c7a",
      "title": "E. Howard & Co., Boston, Mass., \"No. 11 Regulator\" or Keyhole wall clock, 8 day, weight driven, brass movement wall timepiece. Case is stamped no. 4.",
      "auctionHouse": "Schmitt Horan & Co.",
      "saleDate": "2018-05-19",
      "lotNumber": "128",
      "price": {
        "amount": 2400,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/e-howard-co-boston-mass-no-11-regulator-or-keyhole-wall-clock-8-day-weight-driven-brass-movement-wall-timepiece-case-is-stamped-no-4-128-c-2f54581af2/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Schmitt Horan & Co.|2018-05-19T10:30:00.000Z|128",
      "retrievedAt": "2026-10-21T10:07:52.334Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "16e070f59cd96c604dbc63afbe8f5e75827fcee472e4aea821350321327da919",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-6eed23dc9c77fd29",
      "title": "IMHOF table clock with 8-day movement",
      "auctionHouse": "Henry's Auktionshaus",
      "saleDate": "2015-03-21",
      "lotNumber": "3257",
      "price": {
        "amount": 160,
        "currency": "EUR"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/imhof-table-clock-with-8-day-movement-3257-c-6e245ecb1a/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Henry's Auktionshaus|2015-03-21T11:00:00.000Z|3257",
      "retrievedAt": "2026-10-21T10:07:52.719Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "4f388b3f0c3dceafef5337262bf4b200247ae25c864e1e067dfa677e5575d375",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-5453bbcca8a8d2b0",
      "title": "A RARE LATE 17TH CENTURY EBONY VENEERED QUARTER REPEATING BASKET TOP TABLE CLOCK WITH SEVEN PILLAR MOVEMENT Richard Baker, London",
      "auctionHouse": "Bonhams",
      "saleDate": "2018-12-12",
      "lotNumber": "44",
      "price": {
        "amount": 5625,
        "currency": "GBP"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/a-rare-late-17th-century-ebony-veneered-quarter-repeating-basket-top-table-clock-with-seven-pillar-movement-richard-baker-london-44-c-6914e2bbec/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Bonhams|2018-12-12T02:00:00.000Z|44",
      "retrievedAt": "2026-10-21T10:07:53.612Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "dcb2bf7ad692016e20082696c13251614b62eec75ebeee81f52b0f6e19ee2f9c",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-d81b90ada042dff2",
      "title": "A fine quality French Regence Sevres bisque mantel clock having figured decoration depicting the gent with wine jug and tumbler. The timepiece with fine ormolu mounts and silk suspension movement. H 42cm, W 34cm",
      "auctionHouse": "Christian McCann Auctions",
      "saleDate": "2024-11-17",
      "lotNumber": "114",
      "price": {
        "amount": 1000,
        "currency": "AUD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/a-fine-quality-french-regence-sevres-bisque-mantel-clock-having-figured-decoration-depicting-the-gent-with-wine-jug-and-tumbler-the-timepiece-with-fine-ormolu-mounts-and-silk-suspension-movement-h-42cm-w-34cm-114-c-bde493bbcb/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Christian McCann Auctions|2024-11-17T12:00:00.000Z|114",
      "retrievedAt": "2026-10-21T10:07:52.395Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "506386ac4c4ac2462b15eefbbb92c63a09724a084501ffe7f93e44448e7b7ab4",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-bb4142857358b405",
      "title": "CARTIER ART DECO MULTI-GEM DESK CLOCK Mechanical movement, onyx, white ena",
      "auctionHouse": "Christie's",
      "saleDate": "2023-02-09",
      "lotNumber": "70",
      "price": {
        "amount": 8190,
        "currency": "USD"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/cartier-art-deco-multi-gem-desk-clock-mechanical-movement-onyx-white-ena-70-c-eea4726b28/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Christie's|2023-02-09T10:00:00.000Z|70",
      "retrievedAt": "2026-10-21T10:07:52.734Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "ac8ee57cd3cb5f8551a059f6e87e90a593d16b1e7834ca0772369cb70970e2a5",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-69d438bc0db4a321",
      "title": "A MID 18TH CENTURY MAHOGANY FUSEE BRACKET / TABLE CLOCK WITH PULL REPEAT BY WILLIAM WEBSTER, LONDON the bell top with brass handle over circular and shaped glazed apertures to the sides, the breakarch door with quadrant pierced gilt brass sound frets, the signed 5.75\" brass dial with silvered Roman chapter ring with Arabic five minute markers, with matted centre and mock pendulum aperture, with chamfered date aperture below and silvered name plate inscribed 'Willm Webster LONDON', with strike / silent to the arch, the twin fusee movement with verge escapement striking on a bell, with pull repeat, the backplate finely engraved in the Rococo style with pedestals topped with urns and rocialles, signed 'Webster London' within a cartouche, the pendulum with pear shaped bob,  47cm high The movement is winding, ticking and striking but not fully tested or guaranteed. B. Loomes 'Watchmakers and Clockmakers of the World\" (NAG Press, 1988, page 823) n records William Webster as being apprenticed in London in 1727 and made free of the Clockmakers Company in 1734. His father, also called William, was apprentice to, and journeyman with, Thomas Tompion. He worked in Exchange Alley and was made free of the Clockmakers Company in 1710. He died in 1734.",
      "auctionHouse": "Chiswick Auctions",
      "saleDate": "2018-09-12",
      "lotNumber": "199",
      "price": {
        "amount": 4000,
        "currency": "GBP"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/a-mid-18th-century-mahogany-fusee-bracket-table-clock-with-pull-repeat-by-william-webster-london-the-bell-top-with-brass-handle-over-circular-and-shaped-glazed-apertures-to-the-sides-the-breakarch-door-with-quadrant-pierced-gilt-brass-sound-frets-the-signed-5-75-brass-dial-with-silvered-roman-chapter-ring-with-arabic-five-minute-markers-with-matted-centre-and-mock-pendulum-aperture-with-chamfered-date-aperture-below-and-silvered-name-plate-inscribed-willm-webster-london-with-strike-silent-to-the-arch-the-twin-fusee-movement-with-verge-escapement-striking-on-a-bell-with-pull-repeat-the-backplate-finely-engraved-in-the-rococo-style-with-pedestals-topped-with-urns-and-rocialles-signed-webster-london-within-a-cartouche-the-pendulum-with-pear-shaped-bob-47cm-high-the-movement-is-winding-ticking-and-striking-but-not-fully-tested-or-guaranteed-b-loomes-watchmakers-and-clockmakers-of-the-world-nag-press-1988-page-823-n-records-william-webster-as-being-apprenticed-in-london-in-1727-and-made-free-of-the-clockmakers-company-in-1734-his-father-also-called-william-was-apprentice-to-and-journeyman-with-thomas-tompion-he-worked-in-exchange-alley-and-was-made-free-of-the-clockmakers-company-in-1710-he-died-in-1734-199-c-04646febd6/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Chiswick Auctions|2018-09-12T02:00:00.000Z|199",
      "retrievedAt": "2026-10-21T10:07:53.398Z",
      "sourceAccess": {
        "status": "challenged",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "ec897e9a1f9a2321ad9b84de729602a35ee0f55fac408faa801904ff6921b6e1",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    },
    {
      "compId": "comp-dc82e3dd388d92f2",
      "title": "IMHOF table clock with 8-day movement",
      "auctionHouse": "Henry's Auktionshaus",
      "saleDate": "2015-03-21",
      "lotNumber": "3255",
      "price": {
        "amount": 230,
        "currency": "EUR"
      },
      "sourceUrl": "https://www.invaluable.com/auction-lot/imhof-table-clock-with-8-day-movement-3255-c-5904809826/",
      "authoritativeUrl": null,
      "sourceSystem": "invaluable.com",
      "sourceRecordId": "Henry's Auktionshaus|2015-03-21T11:00:00.000Z|3255",
      "retrievedAt": "2026-10-21T10:07:52.732Z",
      "sourceAccess": {
        "status": "async_response",
        "reachableAtCollection": false
      },
      "verificationStatus": "live_source_blocked_pipeline_provenance_matched",
      "rawRecordSha256": "a61c6fb18d33cac793bd8b5f5a625e0971effe334dbad681eea87737593a2468",
      "provenanceManifestSha256": "dc3d477abdb87213c9c799952dd65fda525b1b021a06b65e89a04cfa1474ba63",
      "auctionPhotoSupplied": true
    }
  ]
}
