English silver pair cased repoussé verge watch Circa 1760

Verge in silver repoussé pair cases
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A large English silver pair cased repoussé verge pocket watch in a shagreen case, circa 1760. Full plate fire gilt fusee verge movement, engraved and pierced balance bridge, silver regulation, square baluster pillars.
Silver champlevé, central panel depicting possibly Hades and Persephone, Roman numeral hour markers, outer arcaded minute track, blued steel beetle and poker hands. Polished inner case, repoussé middle with two figures, shagreen outer. Signed dial & movement, outer case stamped R.N.
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Diameter: 57 mm
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Signed: J.Sherwood London