A 19th century gold, enamel, diamond and pearl pendant/locket, circa 1860, the oval blue enamel panel with monogram AD set with rose cut diamonds, within a surround of pearls, to a blue and white enamel border, the obverse painted with a crest on a blue guilloche enamel surround within a surround of pearls, below the scrolling surmount set with rose cut diamonds, the bale set with pearls and rose cut diamonds, 9.5cm long The crest for OULEY