A George III and later silver repoussé pair cased keywind open-faced pocket watch, the gilt fus

A George III and later silver repoussé pair cased keywind open-faced pocket watch, the gilt fusee movement with verge escapement and bridged balance cock, the backplate with a pierced serpentine panel, signed 'J. Samson London 7324', the later black and white enamelled dial with Roman numerals formed as bones with skulls at intervals, the inner case London 1800 by William Lewis, the outer case decorated with classical figures within scroll framing, unmarked, outer case diameter 5cm, together with a chain, fitted with three watch keys.