An early 19th Century Swiss verge in a gold and enamel diamond set case in the form of a mandolin. Full plate gilt fusee movement. Finely pierced and engraved bridge cock with steel coqueret, plain three arm gilt balance with blue steel spiral hairspring. Silver regulator dial with gilt indicator. Winding through the fully restored white enamel dial, Roman numerals, pieced gilt hands. Finely detailed gold and enamel case in the form of a mandolin. The front of the mandolin in translucent red enamel over an engine turned ground, the edge and border set with diamonds, glazed “sound” hole. Black champleve enamel neck, six twisted gold wire strings, tuning pegs set with small diamonds. The reverse of the mandolin decorated in dark blue champleve fully restored enamel with floral and sheet music motif. The edge of the mandolin decorated in black champleve enamel set with diamonds.