English gold lever in signed presentation case Circa 1930

Gold half hunter by J.W. Benson
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An English lever in a 18 carat gold half hunter case and signed presentation case, hallmarked London circa 1930. Gilt three-quarter plate keyless movement with going barrel. Plain cock with polished steel regulator, diamond endstone. Compensation balance with blue steel overcoil hairspring. English table roller lever escapement Screwed in jewelling. Signed white enamel dial with subsidiary seconds, Roman numerals, blue steel seconds hand and gilt half hunter hands. Plain 18 carat half hunter case with blue enamel chapter ring. Gold cuvette. Maker’s mark ‘JWB Ld’ in a rectangle and number corresponding to that on the movement. In original signed presentation case covered in red morocco.
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Diameter: 49 mm
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Signed: J.W. Benson 62 and 64 Ludgate Hill London The Field Best London Make