A FRENCH BRONZE AND MARBLE MANTEL CLOCKRETAILED BY POLTI FRERES A TOURS, MID-19TH CENTURYthe brass eight day drum movement with an outside countwheel, striking on a bell and with a Japy Freres pastille and stamped '594', with an enamel dial with blue Roman and Arabic numerals and inscribed 'POLTI FRERES A TOUR', surmounted by a bronze figure, after Jean Jacques Pradier, of Sappho Assise with her lyre, on a black slate and green marble base, with a signature and Susse Frères Foundry marks57.5cm high, 56cm wide, 22.5cm wide