A late 19th century Vienna ebonized, giltwood and alabaster portico mantel clock with eight day movement striking on a gong, the backplate signed 'Johann Kriwsky', the white enamelled dial with black Roman hour numerals within a gilt metal floral surround, the case with urn finials above glazed diorama panels depicting a swan amidst flowers and flower charged urns, flanked by a pair of turned alabaster columns, the rectangular plinth inset with a printed panel, height 57cm, with pendulum.