An enamel and diamond pansy brooch, and an onyx and diamond bow brooch, circa 1920 1st: The guilloché enamel pansy centrally set with a brilliant-cut diamond, each petal accented by rose-cut diamond detailing, 2nd: Set throughout with calibré-cut onyx and old brilliant, cushion-shaped and rose-cut diamonds, mounted in platinum, cushion-shaped, brilliant and old brilliant-cut diamonds approx. 0.80ct total, 2nd with later pin fitting, lengths: 1st 2.7cm, 2nd 5.4cm (2) For further information on this lot please visit Bonhams.com