J.H Yallop (John Harrison), Norwich - Victorian 18ct duplex ...

J.H Yallop (John Harrison), Norwich - Victorian 18ct duplex pocket watch, London 1824, signed fusee movement dated 1826, engraved balance cock, gold compensated balance, regulator and diamond endstone, gilt metal cuvette inscribed 'C.N Bolingbroke Norwich', fine gilded engine turned and matted dial with Roman numerals and subsidiary seconds dial, Breguet type blued steel moon hands, consular polished case, case maker 'AB', 138.8gm, 51mm ** with historical related papers including a Asprey repair letter and receipt dated 18/9/1989; also a valuation for insurance document dated April 1987 for £2000

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