Circa 1930
Measurements: 32mm x 17mm
A diamond and enamel set white gold King’s crown over white gold figure of Mercury, holding in his left hand the caduceus, the wand borne antiquity’s herald, poised on a single round brilliant cut diamond globe with diamond set laurel leaves to either side, the whole encircled by the motto ‘Certa-Cito’ (Swift and sure).