An unusual gilt and patinated bronze small four tune musical table clock

An unusual gilt and patinated bronze small four tune musical table clock
Signed Peter La Coste, Hatton Garden, London,
Date: last quarter 18th century
Movement: triple chain fusee with five knopped pillars, verge escapement, knife edge suspended pendulum, striking the hour on a bell mounted on the signed and scroll engraved back plate, playing on the hour one of four tunes on eight bells with 16 hammers
Dial: 4 ½ inch silvered dial with tune selection in the arch, minute ring enclosing roman chapters, pierced gilt scroll hands
Case: Patinated, of square section surmounted by a gilt pierced cylindrical dome supporting a patinated bearded male figure, gilt urn finials above ram's masks and draped leaves to the corners, the glazed side panels within arched gilt frames, raised on gilt scroll feet
Size: 18 ½ in (48 cm) high