A rare gilt-bronze mystery clock, Jean Eugène Robert-Houdin, French, circa 1845

bell striking silk suspension movement contained in a shaped base applied at the front with a basket of flowers and engraved at the rear Brevet d'invention, a demi-column mounted above flanked by gryphons and supporting a circular glass dial with single arrow hand, the hand revolving without apparent connection to the movement, the whole raised on a velvet covered giltwood plinth and a rectangular rosewood base with bun feet; with damaged glass dome