L.Leroy et cie, Palais Royal, Paris, numbered 31760 and 15452 BISThe gorge case with large bevelled glass panels and repeat button over the signed cream enamel Roman dial with bold blued steel hands and centre seconds hand, the matted gilt mask further set with an Arabic alarm setting dial, the movement with substantial plates signed along the right hand edge of the backplate '154452 BIS L LEROY & CO 13 & 15 MONTPENSIER PALAIS ROYALE,' further signed on the silvered platform supporting the cut and compensated bi-metallic balance recessed into the platform and suspended on a helical hairspring, with micrometer regulation affected via a rack and pinion mounted on the backplate, the lacquered backplate with striped finish, with stamped number in the lower left hand corner 31760 and hand engraved in the centre 15452 BIS, chiming the hours and quarters on a pair of coiled blued steel gongs, with three-position selection lever to the underside labelled 'Sonnerie/Silence/Gde Sonnerie' in the original numbered (15452 Bis) case and numbered key (31760) 18cms (7ins) high. (2)